72562025 has 12 divisors (see below), whose sum is σ = 90370332. Its totient is φ = 57795840.

The previous prime is 72561997. The next prime is 72562037. The reversal of 72562025 is 52026527.

It can be written as a sum of positive squares in 6 ways, for example, as 1125721 + 71436304 = 1061^2 + 8452^2 .

It is not a de Polignac number, because 72562025 - 2¹² = 72557929 is a prime.

It is a Duffinian 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 11 ways as a sum of consecutive naturals, for example, 404 + ... + 12053.

It is an arithmetic number, because the mean of its divisors is an integer number (7530861).

Almost surely, 2^72562025 is an apocalyptic number.

It is an amenable number.

72562025 is a deficient number, since it is larger than the sum of its proper divisors (17808307).

72562025 is a wasteful number, since it uses less digits than its factorization.

72562025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12700 (or 12695 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 72562025 is about 8518.3346377094. The cubic root of 72562025 is about 417.0964223695.

The spelling of 72562025 in words is "seventy-two million, five hundred sixty-two thousand, twenty-five".