75730532564 has 12 divisors (see below), whose sum is σ = 132584676084. Its totient is φ = 37849196544.

The previous prime is 75730532447. The next prime is 75730532593. The reversal of 75730532564 is 46523503757.

It can be written as a sum of positive squares in 2 ways, for example, as 33661240900 + 42069291664 = 183470^2 + 205108^2 .

It is a super-2 number, since 2×75730532564² (a number of 23 digits) contains 22 as substring.

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, 4006829 + ... + 4025684.

It is an arithmetic number, because the mean of its divisors is an integer number (11048723007).

Almost surely, 2^75730532564 is an apocalyptic number.

It is an amenable number.

75730532564 is a deficient number, since it is larger than the sum of its proper divisors (56854143520).

75730532564 is a wasteful number, since it uses less digits than its factorization.

75730532564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8034874 (or 8034872 counting only the distinct ones).

The product of its (nonzero) digits is 2646000, while the sum is 47.

The spelling of 75730532564 in words is "seventy-five billion, seven hundred thirty million, five hundred thirty-two thousand, five hundred sixty-four".