72499036 has 12 divisors (see below), whose sum is σ = 132389712. Its totient is φ = 34673408.

The previous prime is 72499019. The next prime is 72499073. The reversal of 72499036 is 63099427.

It is a super-2 number, since 2×72499036² = 10512220441858592, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 72499036.

It is a congruent number.

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, 393925 + ... + 394108.

It is an arithmetic number, because the mean of its divisors is an integer number (11032476).

Almost surely, 2^72499036 is an apocalyptic number.

It is an amenable number.

72499036 is a deficient number, since it is larger than the sum of its proper divisors (59890676).

72499036 is a wasteful number, since it uses less digits than its factorization.

72499036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788060 (or 788058 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 72499036 is about 8514.6365747459. The cubic root of 72499036 is about 416.9756976408.

The spelling of 72499036 in words is "seventy-two million, four hundred ninety-nine thousand, thirty-six".