75709904 has 20 divisors (see below), whose sum is σ = 146940000. Its totient is φ = 37789920.

The previous prime is 75709877. The next prime is 75709913. The reversal of 75709904 is 40990757.

It is a happy number.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6347 + ... + 13845.

It is an arithmetic number, because the mean of its divisors is an integer number (7347000).

Almost surely, 2^75709904 is an apocalyptic number.

It is an amenable number.

75709904 is a deficient number, since it is larger than the sum of its proper divisors (71230096).

75709904 is a wasteful number, since it uses less digits than its factorization.

75709904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8138 (or 8132 counting only the distinct ones).

The product of its (nonzero) digits is 79380, while the sum is 41.

The square root of 75709904 is about 8701.1438328532. The cubic root of 75709904 is about 423.0427258547.

The spelling of 75709904 in words is "seventy-five million, seven hundred nine thousand, nine hundred four".