72909379683996 has 24 divisors (see below), whose sum is σ = 170132570409984. Its totient is φ = 24301600206960.

The previous prime is 72909379683989. The next prime is 72909379684027. The reversal of 72909379683996 is 69938697390927.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190595260 + ... + 190977411.

It is an arithmetic number, because the mean of its divisors is an integer number (7088857100416).

Almost surely, 2^{72909379683996} is an apocalyptic number.

It is an amenable number.

72909379683996 is an abundant number, since it is smaller than the sum of its proper divisors (97223190725988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72909379683996 is a wasteful number, since it uses less digits than its factorization.

72909379683996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381588601 (or 381588599 counting only the distinct ones).

The product of its (nonzero) digits is 14999390784, while the sum is 87.

The spelling of 72909379683996 in words is "seventy-two trillion, nine hundred nine billion, three hundred seventy-nine million, six hundred eighty-three thousand, nine hundred ninety-six".