74932591164 has 12 divisors (see below), whose sum is σ = 174842712744. Its totient is φ = 24977530384.

The previous prime is 74932591163. The next prime is 74932591183. The reversal of 74932591164 is 46119523947.

It is a happy number.

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

It is a super-2 number, since 2×74932591164² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74932591163) by changing a digit.

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, 3122191287 + ... + 3122191310.

It is an arithmetic number, because the mean of its divisors is an integer number (14570226062).

Almost surely, 2^74932591164 is an apocalyptic number.

It is an amenable number.

74932591164 is an abundant number, since it is smaller than the sum of its proper divisors (99910121580).

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

74932591164 is a wasteful number, since it uses less digits than its factorization.

74932591164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6244382604 (or 6244382602 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 51.

The spelling of 74932591164 in words is "seventy-four billion, nine hundred thirty-two million, five hundred ninety-one thousand, one hundred sixty-four".