374581881 has 8 divisors (see below), whose sum is σ = 554936160. Its totient is φ = 249721236.

The previous prime is 374581847. The next prime is 374581919. The reversal of 374581881 is 188185473.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-374581881 is a prime.

It is a super-2 number, since 2×374581881² = 280623171146996322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (374581981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6936675 + ... + 6936728.

It is an arithmetic number, because the mean of its divisors is an integer number (69367020).

Almost surely, 2^374581881 is an apocalyptic number.

It is an amenable number.

374581881 is a deficient number, since it is larger than the sum of its proper divisors (180354279).

374581881 is a wasteful number, since it uses less digits than its factorization.

374581881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13873412 (or 13873406 counting only the distinct ones).

The product of its digits is 215040, while the sum is 45.

The square root of 374581881 is about 19354.1179339178. The cubic root of 374581881 is about 720.8566712823.

The spelling of 374581881 in words is "three hundred seventy-four million, five hundred eighty-one thousand, eight hundred eighty-one".