74115516 has 12 divisors (see below), whose sum is σ = 172936232. Its totient is φ = 24705168.

The previous prime is 74115511. The next prime is 74115553. The reversal of 74115516 is 61551147.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74115511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3088135 + ... + 3088158.

Almost surely, 2^74115516 is an apocalyptic number.

It is an amenable number.

74115516 is an abundant number, since it is smaller than the sum of its proper divisors (98820716).

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

74115516 is a wasteful number, since it uses less digits than its factorization.

74115516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6176300 (or 6176298 counting only the distinct ones).

The product of its digits is 4200, while the sum is 30.

The square root of 74115516 is about 8609.0368799303. The cubic root of 74115516 is about 420.0519890292.

The spelling of 74115516 in words is "seventy-four million, one hundred fifteen thousand, five hundred sixteen".