72502012 has 24 divisors (see below), whose sum is σ = 141361920. Its totient is φ = 32253360.

The previous prime is 72502007. The next prime is 72502037. The reversal of 72502012 is 21020527.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 15462 + ... + 19597.

It is an arithmetic number, because the mean of its divisors is an integer number (5890080).

Almost surely, 2^72502012 is an apocalyptic number.

It is an amenable number.

72502012 is a deficient number, since it is larger than the sum of its proper divisors (68859908).

72502012 is a wasteful number, since it uses less digits than its factorization.

72502012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35121 (or 35119 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 72502012 is about 8514.8113308517. The cubic root of 72502012 is about 416.9814030164.

Adding to 72502012 its reverse (21020527), we get a palindrome (93522539).

The spelling of 72502012 in words is "seventy-two million, five hundred two thousand, twelve".