75863728 has 10 divisors (see below), whose sum is σ = 146986004. Its totient is φ = 37931856.

The previous prime is 75863701. The next prime is 75863737. The reversal of 75863728 is 82736857.

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 as a sum of consecutive naturals, namely, 2370726 + ... + 2370757.

Almost surely, 2^75863728 is an apocalyptic number.

It is an amenable number.

75863728 is a deficient number, since it is larger than the sum of its proper divisors (71122276).

75863728 is a wasteful number, since it uses less digits than its factorization.

75863728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4741491 (or 4741485 counting only the distinct ones).

The product of its digits is 564480, while the sum is 46.

The square root of 75863728 is about 8709.9786452092. The cubic root of 75863728 is about 423.3290384723.

The spelling of 75863728 in words is "seventy-five million, eight hundred sixty-three thousand, seven hundred twenty-eight".