72518466 has 16 divisors (see below), whose sum is σ = 145436544. Its totient is φ = 24106224.

The previous prime is 72518443. The next prime is 72518491. The reversal of 72518466 is 66481527.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14265 + ... + 18668.

It is an arithmetic number, because the mean of its divisors is an integer number (9089784).

Almost surely, 2^72518466 is an apocalyptic number.

72518466 is an abundant number, since it is smaller than the sum of its proper divisors (72918078).

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

72518466 is a wasteful number, since it uses less digits than its factorization.

72518466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33305.

The product of its digits is 80640, while the sum is 39.

The square root of 72518466 is about 8515.7774747817. Note that the first 3 decimals coincide. The cubic root of 72518466 is about 417.0129446378.

It can be divided in two parts, 725 and 18466, that added together give a palindrome (19191).

The spelling of 72518466 in words is "seventy-two million, five hundred eighteen thousand, four hundred sixty-six".