74568378 has 16 divisors (see below), whose sum is σ = 149319936. Its totient is φ = 24825600.

The previous prime is 74568359. The next prime is 74568397. The reversal of 74568378 is 87386547.

It is an interprime number because it is at equal distance from previous prime (74568359) and next prime (74568397).

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, 2023 + ... + 12378.

It is an arithmetic number, because the mean of its divisors is an integer number (9332496).

Almost surely, 2^74568378 is an apocalyptic number.

74568378 is an abundant number, since it is smaller than the sum of its proper divisors (74751558).

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

74568378 is a wasteful number, since it uses less digits than its factorization.

74568378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15269.

The product of its digits is 1128960, while the sum is 48.

The square root of 74568378 is about 8635.2983735364. The cubic root of 74568378 is about 420.9057888991.

The spelling of 74568378 in words is "seventy-four million, five hundred sixty-eight thousand, three hundred seventy-eight".