73890724164 has 12 divisors (see below), whose sum is σ = 172411689744. Its totient is φ = 24630241384.

The previous prime is 73890724153. The next prime is 73890724181. The reversal of 73890724164 is 46142709837.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3078780162 + ... + 3078780185.

It is an arithmetic number, because the mean of its divisors is an integer number (14367640812).

Almost surely, 2^73890724164 is an apocalyptic number.

It is an amenable number.

73890724164 is an abundant number, since it is smaller than the sum of its proper divisors (98520965580).

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

73890724164 is a wasteful number, since it uses less digits than its factorization.

73890724164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6157560354 (or 6157560352 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 51.

The spelling of 73890724164 in words is "seventy-three billion, eight hundred ninety million, seven hundred twenty-four thousand, one hundred sixty-four".