Search a number
-
+
74769340 = 22511233329
BaseRepresentation
bin1000111010011…
…10001110111100
312012200200020211
410131032032330
5123120104330
611230322204
71565346262
oct435161674
9165620224
1074769340
1139229348
1221059364
131264b619
149d04432
15686dd2a
hex474e3bc

74769340 has 24 divisors (see below), whose sum is σ = 157202640. Its totient is φ = 29872128.

The previous prime is 74769329. The next prime is 74769367. The reversal of 74769340 is 4396747.

It is a junction number, because it is equal to n+sod(n) for n = 74769293 and 74769302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20796 + ... + 24124.

It is an arithmetic number, because the mean of its divisors is an integer number (6550110).

Almost surely, 274769340 is an apocalyptic number.

It is an amenable number.

74769340 is an abundant number, since it is smaller than the sum of its proper divisors (82433300).

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

74769340 is a wasteful number, since it uses less digits than its factorization.

74769340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4461 (or 4459 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 40.

The square root of 74769340 is about 8646.9266216385. The cubic root of 74769340 is about 421.2835638506.

The spelling of 74769340 in words is "seventy-four million, seven hundred sixty-nine thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 1123 2246 3329 4492 5615 6658 11230 13316 16645 22460 33290 66580 3738467 7476934 14953868 18692335 37384670 74769340