72985187763194 has 32 divisors (see below), whose sum is σ = 125290146560256. Its totient is φ = 31236198618240.

The previous prime is 72985187763179. The next prime is 72985187763211. The reversal of 72985187763194 is 49136778158927.

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 15 ways as a sum of consecutive naturals, for example, 354157904 + ... + 354363924.

It is an arithmetic number, because the mean of its divisors is an integer number (3915317080008).

Almost surely, 2^{72985187763194} is an apocalyptic number.

72985187763194 is a deficient number, since it is larger than the sum of its proper divisors (52304958797062).

72985187763194 is a wasteful number, since it uses less digits than its factorization.

72985187763194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240830.

The product of its digits is 1280240640, while the sum is 77.

The spelling of 72985187763194 in words is "seventy-two trillion, nine hundred eighty-five billion, one hundred eighty-seven million, seven hundred sixty-three thousand, one hundred ninety-four".