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74690164 = 2218672541
BaseRepresentation
bin1000111001110…
…10111001110100
312012112122122101
410130322321310
5123110041124
611224511444
71564566403
oct434727164
9165478571
1074690164
113918490a
122101b584
1312621583
149cc363a
156855644
hex473ae74

74690164 has 6 divisors (see below), whose sum is σ = 130707794. Its totient is φ = 37345080.

The previous prime is 74690117. The next prime is 74690201. The reversal of 74690164 is 46109647.

It can be written as a sum of positive squares in only one way, i.e., 56881764 + 17808400 = 7542^2 + 4220^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9336267 + ... + 9336274.

Almost surely, 274690164 is an apocalyptic number.

It is an amenable number.

74690164 is a deficient number, since it is larger than the sum of its proper divisors (56017630).

74690164 is a wasteful number, since it uses less digits than its factorization.

74690164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18672545 (or 18672543 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 74690164 is about 8642.3471348934. The cubic root of 74690164 is about 421.1348071178.

The spelling of 74690164 in words is "seventy-four million, six hundred ninety thousand, one hundred sixty-four".

Divisors: 1 2 4 18672541 37345082 74690164