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74770434 = 23219218627
BaseRepresentation
bin1000111010011…
…10100000000010
312012200201202100
410131032200002
5123120123214
611230331230
71565352414
oct435164002
9165621670
1074770434
113922a152
1221059b16
131264bc7b
149d049b4
15686e309
hex474e802

74770434 has 24 divisors (see below), whose sum is σ = 170529840. Its totient is φ = 23611608.

The previous prime is 74770417. The next prime is 74770441. The reversal of 74770434 is 43407747.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108972 + ... + 109655.

It is an arithmetic number, because the mean of its divisors is an integer number (7105410).

Almost surely, 274770434 is an apocalyptic number.

74770434 is an abundant number, since it is smaller than the sum of its proper divisors (95759406).

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

74770434 is a wasteful number, since it uses less digits than its factorization.

74770434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218654 (or 218651 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 36.

The square root of 74770434 is about 8646.9898808776. The cubic root of 74770434 is about 421.2856185340.

The spelling of 74770434 in words is "seventy-four million, seven hundred seventy thousand, four hundred thirty-four".

Divisors: 1 2 3 6 9 18 19 38 57 114 171 342 218627 437254 655881 1311762 1967643 3935286 4153913 8307826 12461739 24923478 37385217 74770434