72157294358 has 8 divisors (see below), whose sum is σ = 108279965160. Its totient is φ = 36063972640.

The previous prime is 72157294337. The next prime is 72157294379. The reversal of 72157294358 is 85349275127.

It is an interprime number because it is at equal distance from previous prime (72157294337) and next prime (72157294379).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7331123 + ... + 7340958.

It is an arithmetic number, because the mean of its divisors is an integer number (13534995645).

Almost surely, 2^72157294358 is an apocalyptic number.

72157294358 is a deficient number, since it is larger than the sum of its proper divisors (36122670802).

72157294358 is a wasteful number, since it uses less digits than its factorization.

72157294358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14674542.

The product of its digits is 4233600, while the sum is 53.

The spelling of 72157294358 in words is "seventy-two billion, one hundred fifty-seven million, two hundred ninety-four thousand, three hundred fifty-eight".