75963728 has 20 divisors (see below), whose sum is σ = 147579840. Its totient is φ = 37878624.

The previous prime is 75963697. The next prime is 75963737. The reversal of 75963728 is 82736957.

It is a super-3 number, since 3×75963728³ (a number of 25 digits) contains 333 as substring.

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, 200 + ... + 12327.

It is an arithmetic number, because the mean of its divisors is an integer number (7378992).

Almost surely, 2^75963728 is an apocalyptic number.

It is an amenable number.

75963728 is a deficient number, since it is larger than the sum of its proper divisors (71616112).

75963728 is a wasteful number, since it uses less digits than its factorization.

75963728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12914 (or 12908 counting only the distinct ones).

The product of its digits is 635040, while the sum is 47.

The square root of 75963728 is about 8715.7172969297. The cubic root of 75963728 is about 423.5149609509.

The spelling of 75963728 in words is "seventy-five million, nine hundred sixty-three thousand, seven hundred twenty-eight".