75728992 has 24 divisors (see below), whose sum is σ = 150574032. Its totient is φ = 37488000.

The previous prime is 75728981. The next prime is 75729019. The reversal of 75728992 is 29982757.

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, 8484 + ... + 14947.

It is an arithmetic number, because the mean of its divisors is an integer number (6273918).

Almost surely, 2^75728992 is an apocalyptic number.

It is an amenable number.

75728992 is a deficient number, since it is larger than the sum of its proper divisors (74845040).

75728992 is a wasteful number, since it uses less digits than its factorization.

75728992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23542 (or 23534 counting only the distinct ones).

The product of its digits is 635040, while the sum is 49.

The square root of 75728992 is about 8702.2406310099. The cubic root of 75728992 is about 423.0782754134.

The spelling of 75728992 in words is "seventy-five million, seven hundred twenty-eight thousand, nine hundred ninety-two".