72953472990 has 32 divisors (see below), whose sum is σ = 182700873216. Its totient is φ = 18608421920.

The previous prime is 72953472989. The next prime is 72953473001. The reversal of 72953472990 is 9927435927.

It is a self number, because there is not a number n which added to its sum of digits gives 72953472990.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52864146 + ... + 52865525.

It is an arithmetic number, because the mean of its divisors is an integer number (5709402288).

Almost surely, 2^72953472990 is an apocalyptic number.

72953472990 is an abundant number, since it is smaller than the sum of its proper divisors (109747400226).

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

72953472990 is a wasteful number, since it uses less digits than its factorization.

72953472990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105729704.

The product of its (nonzero) digits is 8573040, while the sum is 57.

The spelling of 72953472990 in words is "seventy-two billion, nine hundred fifty-three million, four hundred seventy-two thousand, nine hundred ninety".