72004210636 has 48 divisors (see below), whose sum is σ = 130271016960. Its totient is φ = 34807398080.

The previous prime is 72004210511. The next prime is 72004210657. The reversal of 72004210636 is 63601240027.

It is a junction number, because it is equal to n+sod(n) for n = 72004210598 and 72004210607.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4324335 + ... + 4340953.

It is an arithmetic number, because the mean of its divisors is an integer number (2713979520).

Almost surely, 2^72004210636 is an apocalyptic number.

It is an amenable number.

72004210636 is a deficient number, since it is larger than the sum of its proper divisors (58266806324).

72004210636 is a wasteful number, since it uses less digits than its factorization.

72004210636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16974 (or 16972 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The spelling of 72004210636 in words is "seventy-two billion, four million, two hundred ten thousand, six hundred thirty-six".