74451323424 has 24 divisors (see below), whose sum is σ = 195434724240. Its totient is φ = 24817107776.

The previous prime is 74451323369. The next prime is 74451323431. The reversal of 74451323424 is 42432315447.

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 387767214 + ... + 387767405.

It is an arithmetic number, because the mean of its divisors is an integer number (8143113510).

Almost surely, 2^74451323424 is an apocalyptic number.

It is an amenable number.

74451323424 is an abundant number, since it is smaller than the sum of its proper divisors (120983400816).

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

74451323424 is a wasteful number, since it uses less digits than its factorization.

74451323424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775534632 (or 775534624 counting only the distinct ones).

The product of its digits is 322560, while the sum is 39.

The spelling of 74451323424 in words is "seventy-four billion, four hundred fifty-one million, three hundred twenty-three thousand, four hundred twenty-four".