72262566 has 12 divisors (see below), whose sum is σ = 156568932. Its totient is φ = 24087516.

The previous prime is 72262549. The next prime is 72262579. The reversal of 72262566 is 66526227.

72262566 is a `hidden beast` number, since 7 + 22 + 625 + 6 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 72262566.

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 5 ways as a sum of consecutive naturals, for example, 2007276 + ... + 2007311.

It is an arithmetic number, because the mean of its divisors is an integer number (13047411).

Almost surely, 2^72262566 is an apocalyptic number.

72262566 is an abundant number, since it is smaller than the sum of its proper divisors (84306366).

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

72262566 is a wasteful number, since it uses less digits than its factorization.

72262566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4014595 (or 4014592 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 72262566 is about 8500.7391443333. The cubic root of 72262566 is about 416.5218541740.

The spelling of 72262566 in words is "seventy-two million, two hundred sixty-two thousand, five hundred sixty-six".