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74985340 = 2253749267
BaseRepresentation
bin1000111100000…
…10111101111100
312020002122112211
410132002331330
5123144012330
611235110204
71600236103
oct436027574
9166078484
1074985340
1139366661
1221142364
13126c5a31
149d5d03a
1568b2d2a
hex4782f7c

74985340 has 12 divisors (see below), whose sum is σ = 157469256. Its totient is φ = 29994128.

The previous prime is 74985307. The next prime is 74985341. The reversal of 74985340 is 4358947.

It is a junction number, because it is equal to n+sod(n) for n = 74985293 and 74985302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74985341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1874614 + ... + 1874653.

It is an arithmetic number, because the mean of its divisors is an integer number (13122438).

Almost surely, 274985340 is an apocalyptic number.

It is an amenable number.

74985340 is an abundant number, since it is smaller than the sum of its proper divisors (82483916).

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

74985340 is a wasteful number, since it uses less digits than its factorization.

74985340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3749276 (or 3749274 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 74985340 is about 8659.4076009852. The cubic root of 74985340 is about 421.6888536984.

The spelling of 74985340 in words is "seventy-four million, nine hundred eighty-five thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 3749267 7498534 14997068 18746335 37492670 74985340