72733076564 has 24 divisors (see below), whose sum is σ = 127941504768. Its totient is φ = 36178511040.

The previous prime is 72733076503. The next prime is 72733076593. The reversal of 72733076564 is 46567033727.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

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 7 ways as a sum of consecutive naturals, for example, 2069789 + ... + 2104635.

It is an arithmetic number, because the mean of its divisors is an integer number (5330896032).

Almost surely, 2^72733076564 is an apocalyptic number.

It is an amenable number.

72733076564 is a deficient number, since it is larger than the sum of its proper divisors (55208428204).

72733076564 is a wasteful number, since it uses less digits than its factorization.

72733076564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37535 (or 37533 counting only the distinct ones).

The product of its (nonzero) digits is 4445280, while the sum is 50.

The spelling of 72733076564 in words is "seventy-two billion, seven hundred thirty-three million, seventy-six thousand, five hundred sixty-four".