72025252 has 12 divisors (see below), whose sum is σ = 135739996. Its totient is φ = 33242400.

The previous prime is 72025249. The next prime is 72025271. The reversal of 72025252 is 25252027.

It can be written as a sum of positive squares in 2 ways, for example, as 36312676 + 35712576 = 6026^2 + 5976^2 .

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 692499 + ... + 692602.

Almost surely, 2^72025252 is an apocalyptic number.

It is an amenable number.

72025252 is a deficient number, since it is larger than the sum of its proper divisors (63714744).

72025252 is a wasteful number, since it uses less digits than its factorization.

72025252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385118 (or 1385116 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 72025252 is about 8486.7692321637. The cubic root of 72025252 is about 416.0653943670.

Adding to 72025252 its reverse (25252027), we get a palindrome (97277279).

The spelling of 72025252 in words is "seventy-two million, twenty-five thousand, two hundred fifty-two".