374744891 has 2 divisors, whose sum is σ = 374744892. Its totient is φ = 374744890.

The previous prime is 374744863. The next prime is 374744893. The reversal of 374744891 is 198447473.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 374744891 - 2²⁶ = 307636027 is a prime.

Together with 374744893, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (374744893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187372445 + 187372446.

It is an arithmetic number, because the mean of its divisors is an integer number (187372446).

Almost surely, 2^374744891 is an apocalyptic number.

374744891 is a deficient number, since it is larger than the sum of its proper divisors (1).

374744891 is an equidigital number, since it uses as much as digits as its factorization.

374744891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 677376, while the sum is 47.

The square root of 374744891 is about 19358.3287243501. The cubic root of 374744891 is about 720.9612232379.

The spelling of 374744891 in words is "three hundred seventy-four million, seven hundred forty-four thousand, eight hundred ninety-one".