75720074516 has 48 divisors (see below), whose sum is σ = 134692987968. Its totient is φ = 37242816000.

The previous prime is 75720074491. The next prime is 75720074531. The reversal of 75720074516 is 61547002757.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36350411 + ... + 36352493.

It is an arithmetic number, because the mean of its divisors is an integer number (2806103916).

Almost surely, 2^75720074516 is an apocalyptic number.

It is an amenable number.

75720074516 is a deficient number, since it is larger than the sum of its proper divisors (58972913452).

75720074516 is a wasteful number, since it uses less digits than its factorization.

75720074516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2792 (or 2790 counting only the distinct ones).

The product of its (nonzero) digits is 411600, while the sum is 44.

The spelling of 75720074516 in words is "seventy-five billion, seven hundred twenty million, seventy-four thousand, five hundred sixteen".