75900728 has 16 divisors (see below), whose sum is σ = 144264480. Its totient is φ = 37430208.

The previous prime is 75900689. The next prime is 75900731. The reversal of 75900728 is 82700957.

It is a junction number, because it is equal to n+sod(n) for n = 75900691 and 75900700.

It is a congruent number.

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, 64400 + ... + 65567.

It is an arithmetic number, because the mean of its divisors is an integer number (9016530).

Almost surely, 2^75900728 is an apocalyptic number.

It is an amenable number.

75900728 is a deficient number, since it is larger than the sum of its proper divisors (68363752).

75900728 is a wasteful number, since it uses less digits than its factorization.

75900728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130046 (or 130042 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 75900728 is about 8712.1023869098. The cubic root of 75900728 is about 423.3978488209.

The spelling of 75900728 in words is "seventy-five million, nine hundred thousand, seven hundred twenty-eight".