72572416 has 40 divisors (see below), whose sum is σ = 165726000. Its totient is φ = 31100928.

The previous prime is 72572399. The next prime is 72572417. The reversal of 72572416 is 61427527.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72572417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6541 + ... + 13708.

It is an arithmetic number, because the mean of its divisors is an integer number (4143150).

Almost surely, 2^72572416 is an apocalyptic number.

It is an amenable number.

72572416 is an abundant number, since it is smaller than the sum of its proper divisors (93153584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72572416 is an equidigital number, since it uses as much as digits as its factorization.

72572416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20274 (or 20258 counting only the distinct ones).

The product of its digits is 23520, while the sum is 34.

The square root of 72572416 is about 8518.9445355631. The cubic root of 72572416 is about 417.1163310479.

The spelling of 72572416 in words is "seventy-two million, five hundred seventy-two thousand, four hundred sixteen".