374117881 has 6 divisors (see below), whose sum is σ = 375263070. Its totient is φ = 372976128.

The previous prime is 374117869. The next prime is 374117897. The reversal of 374117881 is 188711473.

It can be written as a sum of positive squares in 3 ways, for example, as 7203856 + 366914025 = 2684^2 + 19155^2 .

It is a de Polignac number, because none of the positive numbers 2^k-374117881 is a prime.

It is a super-2 number, since 2×374117881² = 279928377767860322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (374147881) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 137785 + ... + 140473.

It is an arithmetic number, because the mean of its divisors is an integer number (62543845).

Almost surely, 2^374117881 is an apocalyptic number.

It is an amenable number.

374117881 is a deficient number, since it is larger than the sum of its proper divisors (1145189).

374117881 is an frugal number, since it uses more digits than its factorization.

374117881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3435 (or 3062 counting only the distinct ones).

The product of its digits is 37632, while the sum is 40.

The square root of 374117881 is about 19342.1271063965. The cubic root of 374117881 is about 720.5589030996.

The spelling of 374117881 in words is "three hundred seventy-four million, one hundred seventeen thousand, eight hundred eighty-one".