72525512 has 16 divisors (see below), whose sum is σ = 138879360. Its totient is φ = 35491024.

The previous prime is 72525503. The next prime is 72525521. The reversal of 72525512 is 21552527.

It is an interprime number because it is at equal distance from previous prime (72525503) and next prime (72525521).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96068 + ... + 96819.

It is an arithmetic number, because the mean of its divisors is an integer number (8679960).

Almost surely, 2^72525512 is an apocalyptic number.

It is an amenable number.

72525512 is a deficient number, since it is larger than the sum of its proper divisors (66353848).

72525512 is a wasteful number, since it uses less digits than its factorization.

72525512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192940 (or 192936 counting only the distinct ones).

The product of its digits is 7000, while the sum is 29.

The square root of 72525512 is about 8516.1911674175. The cubic root of 72525512 is about 417.0264500625.

It can be divided in two parts, 72525 and 512, that added together give a palindrome (73037).

The spelling of 72525512 in words is "seventy-two million, five hundred twenty-five thousand, five hundred twelve".