74159916 has 24 divisors (see below), whose sum is σ = 183219120. Its totient is φ = 23265792.

The previous prime is 74159909. The next prime is 74159923. The reversal of 74159916 is 61995147.

It is an interprime number because it is at equal distance from previous prime (74159909) and next prime (74159923).

It is a super-2 number, since 2×74159916² = 10999386282254112, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181561 + ... + 181968.

It is an arithmetic number, because the mean of its divisors is an integer number (7634130).

Almost surely, 2^74159916 is an apocalyptic number.

It is an amenable number.

74159916 is an abundant number, since it is smaller than the sum of its proper divisors (109059204).

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

74159916 is a wasteful number, since it uses less digits than its factorization.

74159916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363553 (or 363551 counting only the distinct ones).

The product of its digits is 68040, while the sum is 42.

The square root of 74159916 is about 8611.6151795119. The cubic root of 74159916 is about 420.1358517447.

The spelling of 74159916 in words is "seventy-four million, one hundred fifty-nine thousand, nine hundred sixteen".