74345516 has 24 divisors (see below), whose sum is σ = 149784096. Its totient is φ = 31628160.

The previous prime is 74345501. The next prime is 74345563. The reversal of 74345516 is 61554347.

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 7 ways as a sum of consecutive naturals, for example, 5855 + ... + 13526.

It is an arithmetic number, because the mean of its divisors is an integer number (6241004).

Almost surely, 2^74345516 is an apocalyptic number.

It is an amenable number.

74345516 is an abundant number, since it is smaller than the sum of its proper divisors (75438580).

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

74345516 is a wasteful number, since it uses less digits than its factorization.

74345516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19529 (or 19527 counting only the distinct ones).

The product of its digits is 50400, while the sum is 35.

The square root of 74345516 is about 8622.3845889638. The cubic root of 74345516 is about 420.4860510501.

The spelling of 74345516 in words is "seventy-four million, three hundred forty-five thousand, five hundred sixteen".