72374014632138 has 64 divisors (see below), whose sum is σ = 148567994311680. Its totient is φ = 23496177716352.

The previous prime is 72374014632067. The next prime is 72374014632149. The reversal of 72374014632138 is 83123641047327.

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 31 ways as a sum of consecutive naturals, for example, 716332381 + ... + 716433407.

It is an arithmetic number, because the mean of its divisors is an integer number (2321374911120).

Almost surely, 2^{72374014632138} is an apocalyptic number.

72374014632138 is an abundant number, since it is smaller than the sum of its proper divisors (76193979679542).

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

72374014632138 is a wasteful number, since it uses less digits than its factorization.

72374014632138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121211.

The product of its (nonzero) digits is 4064256, while the sum is 51.

The spelling of 72374014632138 in words is "seventy-two trillion, three hundred seventy-four billion, fourteen million, six hundred thirty-two thousand, one hundred thirty-eight".