72572210 has 32 divisors (see below), whose sum is σ = 142257600. Its totient is φ = 26550720.

The previous prime is 72572197. The next prime is 72572219. The reversal of 72572210 is 1227527.

It is a self number, because there is not a number n which added to its sum of digits gives 72572210.

It is not an unprimeable number, because it can be changed into a prime (72572219) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1076 + ... + 12095.

It is an arithmetic number, because the mean of its divisors is an integer number (4445550).

Almost surely, 2^72572210 is an apocalyptic number.

72572210 is a deficient number, since it is larger than the sum of its proper divisors (69685390).

72572210 is a wasteful number, since it uses less digits than its factorization.

72572210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13226.

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 72572210 is about 8518.9324448548. The cubic root of 72572210 is about 417.1159363798.

Adding to 72572210 its reverse (1227527), we get a palindrome (73799737).

The spelling of 72572210 in words is "seventy-two million, five hundred seventy-two thousand, two hundred ten".