72605562 has 16 divisors (see below), whose sum is σ = 145438752. Its totient is φ = 24163920.

The previous prime is 72605557. The next prime is 72605573. The reversal of 72605562 is 26550627.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5188 + ... + 13119.

It is an arithmetic number, because the mean of its divisors is an integer number (9089922).

Almost surely, 2^72605562 is an apocalyptic number.

72605562 is an abundant number, since it is smaller than the sum of its proper divisors (72833190).

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

72605562 is a wasteful number, since it uses less digits than its factorization.

72605562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18973.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 72605562 is about 8520.8897422746. The cubic root of 72605562 is about 417.1798245639.

The spelling of 72605562 in words is "seventy-two million, six hundred five thousand, five hundred sixty-two".