74891368 has 32 divisors (see below), whose sum is σ = 144288000. Its totient is φ = 36429120.

The previous prime is 74891363. The next prime is 74891413. The reversal of 74891368 is 86319847.

It is a happy number.

It is a super-2 number, since 2×74891368² = 11217434001822848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74891363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44038 + ... + 45706.

It is an arithmetic number, because the mean of its divisors is an integer number (4509000).

Almost surely, 2^74891368 is an apocalyptic number.

It is an amenable number.

74891368 is a deficient number, since it is larger than the sum of its proper divisors (69396632).

74891368 is a wasteful number, since it uses less digits than its factorization.

74891368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1825 (or 1821 counting only the distinct ones).

The product of its digits is 290304, while the sum is 46.

The square root of 74891368 is about 8653.9798936674. The cubic root of 74891368 is about 421.5126258738.

The spelling of 74891368 in words is "seventy-four million, eight hundred ninety-one thousand, three hundred sixty-eight".