74324319672 has 32 divisors (see below), whose sum is σ = 185958460800. Its totient is φ = 24755085024.

The previous prime is 74324319661. The next prime is 74324319679. The reversal of 74324319672 is 27691342347.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74324319679) 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 7 ways as a sum of consecutive naturals, for example, 1199668 + ... + 1260099.

It is an arithmetic number, because the mean of its divisors is an integer number (5811201900).

Almost surely, 2^74324319672 is an apocalyptic number.

It is an amenable number.

74324319672 is an abundant number, since it is smaller than the sum of its proper divisors (111634141128).

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

74324319672 is a wasteful number, since it uses less digits than its factorization.

74324319672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2461035 (or 2461031 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 48.

The spelling of 74324319672 in words is "seventy-four billion, three hundred twenty-four million, three hundred nineteen thousand, six hundred seventy-two".