74396354320 has 20 divisors (see below), whose sum is σ = 172971523980. Its totient is φ = 29758541696.

The previous prime is 74396354311. The next prime is 74396354353. The reversal of 74396354320 is 2345369347.

It can be written as a sum of positive squares in 2 ways, for example, as 51242471424 + 23153882896 = 226368^2 + 152164^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×74396354320² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 464977135 + ... + 464977294.

It is an arithmetic number, because the mean of its divisors is an integer number (8648576199).

Almost surely, 2^74396354320 is an apocalyptic number.

It is an amenable number.

74396354320 is an abundant number, since it is smaller than the sum of its proper divisors (98575169660).

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

74396354320 is a wasteful number, since it uses less digits than its factorization.

74396354320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929954442 (or 929954436 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 46.

The spelling of 74396354320 in words is "seventy-four billion, three hundred ninety-six million, three hundred fifty-four thousand, three hundred twenty".