72507714 has 32 divisors (see below), whose sum is σ = 151208640. Its totient is φ = 23150400.

The previous prime is 72507697. The next prime is 72507733. The reversal of 72507714 is 41770527.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21204 + ... + 24384.

It is an arithmetic number, because the mean of its divisors is an integer number (4725270).

Almost surely, 2^72507714 is an apocalyptic number.

72507714 is an abundant number, since it is smaller than the sum of its proper divisors (78700926).

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

72507714 is a wasteful number, since it uses less digits than its factorization.

72507714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3346.

The product of its (nonzero) digits is 13720, while the sum is 33.

The square root of 72507714 is about 8515.1461525919. The cubic root of 72507714 is about 416.9923340493.

The spelling of 72507714 in words is "seventy-two million, five hundred seven thousand, seven hundred fourteen".