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74794020 = 22357374813
BaseRepresentation
bin1000111010101…
…00010000100100
312012201221002220
410131110100210
5123121402040
611231032340
71565511240
oct435242044
9165657086
1074794020
1139245944
122106b6b0
1312659922
149d0d420
1568762d0
hex4754424

74794020 has 96 divisors (see below), whose sum is σ = 245860608. Its totient is φ = 16630272.

The previous prime is 74794009. The next prime is 74794021. The reversal of 74794020 is 2049747.

It is not an unprimeable number, because it can be changed into a prime (74794021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13134 + ... + 17946.

It is an arithmetic number, because the mean of its divisors is an integer number (2561048).

Almost surely, 274794020 is an apocalyptic number.

74794020 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74794020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122930304).

74794020 is an abundant number, since it is smaller than the sum of its proper divisors (171066588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74794020 is a wasteful number, since it uses less digits than its factorization.

74794020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4869 (or 4867 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 74794020 is about 8648.3536005416. The cubic root of 74794020 is about 421.3299114336.

The spelling of 74794020 in words is "seventy-four million, seven hundred ninety-four thousand, twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 37 42 60 70 74 84 105 111 140 148 185 210 222 259 370 420 444 518 555 740 777 1036 1110 1295 1554 2220 2590 3108 3885 4813 5180 7770 9626 14439 15540 19252 24065 28878 33691 48130 57756 67382 72195 96260 101073 134764 144390 168455 178081 202146 288780 336910 356162 404292 505365 534243 673820 712324 890405 1010730 1068486 1246567 1780810 2021460 2136972 2493134 2671215 3561620 3739701 4986268 5342430 6232835 7479402 10684860 12465670 14958804 18698505 24931340 37397010 74794020