72917590100 has 36 divisors (see below), whose sum is σ = 166559131200. Its totient is φ = 27631928160.

The previous prime is 72917590079. The next prime is 72917590103. The reversal of 72917590100 is 109571927.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72917590103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19186940 + ... + 19190739.

Almost surely, 2^72917590100 is an apocalyptic number.

It is an amenable number.

72917590100 is an abundant number, since it is smaller than the sum of its proper divisors (93641541100).

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

72917590100 is a wasteful number, since it uses less digits than its factorization.

72917590100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38377712 (or 38377705 counting only the distinct ones).

The product of its (nonzero) digits is 39690, while the sum is 41.

The spelling of 72917590100 in words is "seventy-two billion, nine hundred seventeen million, five hundred ninety thousand, one hundred".