75704928 has 48 divisors (see below), whose sum is σ = 214015536. Its totient is φ = 23293440.

The previous prime is 75704917. The next prime is 75704953. The reversal of 75704928 is 82940757.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×75704928² = 11462472246970368, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 75704928.

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, 29083 + ... + 31578.

It is an arithmetic number, because the mean of its divisors is an integer number (4458657).

Almost surely, 2^75704928 is an apocalyptic number.

75704928 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

75704928 is an abundant number, since it is smaller than the sum of its proper divisors (138310608).

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

75704928 is a wasteful number, since it uses less digits than its factorization.

75704928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60687 (or 60679 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 75704928 is about 8700.8578887372. The cubic root of 75704928 is about 423.0334575529.

The spelling of 75704928 in words is "seventy-five million, seven hundred four thousand, nine hundred twenty-eight".