75724375856 has 40 divisors (see below), whose sum is σ = 148262891520. Its totient is φ = 37464565824.

The previous prime is 75724375843. The next prime is 75724375879. The reversal of 75724375856 is 65857342757.

It is a junction number, because it is equal to n+sod(n) for n = 75724375795 and 75724375804.

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, 720965 + ... + 819291.

It is an arithmetic number, because the mean of its divisors is an integer number (3706572288).

Almost surely, 2^75724375856 is an apocalyptic number.

It is an amenable number.

75724375856 is a deficient number, since it is larger than the sum of its proper divisors (72538515664).

75724375856 is a wasteful number, since it uses less digits than its factorization.

75724375856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98841 (or 98835 counting only the distinct ones).

The product of its digits is 49392000, while the sum is 59.

The spelling of 75724375856 in words is "seventy-five billion, seven hundred twenty-four million, three hundred seventy-five thousand, eight hundred fifty-six".