72751576 has 32 divisors (see below), whose sum is σ = 142963200. Its totient is φ = 34642080.

The previous prime is 72751561. The next prime is 72751579. The reversal of 72751576 is 67515727.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72751579) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49135 + ... + 50593.

It is an arithmetic number, because the mean of its divisors is an integer number (4467600).

Almost surely, 2^72751576 is an apocalyptic number.

72751576 is the 5395-th centered pentagonal number.

It is an amenable number.

72751576 is a deficient number, since it is larger than the sum of its proper divisors (70211624).

72751576 is a wasteful number, since it uses less digits than its factorization.

72751576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1759 (or 1755 counting only the distinct ones).

The product of its digits is 102900, while the sum is 40.

The square root of 72751576 is about 8529.4534408718. The cubic root of 72751576 is about 417.4592949188.

The spelling of 72751576 in words is "seventy-two million, seven hundred fifty-one thousand, five hundred seventy-six".