74769568 has 24 divisors (see below), whose sum is σ = 150795540. Its totient is φ = 36472320.

The previous prime is 74769559. The next prime is 74769571. The reversal of 74769568 is 86596747.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 74442384 + 327184 = 8628^2 + 572^2 .

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27183 + ... + 29806.

Almost surely, 2^74769568 is an apocalyptic number.

It is an amenable number.

74769568 is an abundant number, since it is smaller than the sum of its proper divisors (76025972).

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

74769568 is a wasteful number, since it uses less digits than its factorization.

74769568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57040 (or 57032 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 52.

The square root of 74769568 is about 8646.9398055034. The cubic root of 74769568 is about 421.2839920678.

The spelling of 74769568 in words is "seventy-four million, seven hundred sixty-nine thousand, five hundred sixty-eight".