72734771942 has 32 divisors (see below), whose sum is σ = 125054254080. Its totient is φ = 31080669120.

The previous prime is 72734771909. The next prime is 72734771951. The reversal of 72734771942 is 24917743727.

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 15 ways as a sum of consecutive naturals, for example, 6950378 + ... + 6960834.

It is an arithmetic number, because the mean of its divisors is an integer number (3907945440).

Almost surely, 2^72734771942 is an apocalyptic number.

72734771942 is a deficient number, since it is larger than the sum of its proper divisors (52319482138).

72734771942 is a wasteful number, since it uses less digits than its factorization.

72734771942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11876.

The product of its digits is 4148928, while the sum is 53.

The spelling of 72734771942 in words is "seventy-two billion, seven hundred thirty-four million, seven hundred seventy-one thousand, nine hundred forty-two".