374690681 has 2 divisors, whose sum is σ = 374690682. Its totient is φ = 374690680.

The previous prime is 374690671. The next prime is 374690689. The reversal of 374690681 is 186096473.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 334304656 + 40386025 = 18284^2 + 6355^2 .

It is a cyclic number.

It is not a de Polignac number, because 374690681 - 2²⁶ = 307581817 is a prime.

It is a super-2 number, since 2×374690681² = 280786212856487522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (374690689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187345340 + 187345341.

It is an arithmetic number, because the mean of its divisors is an integer number (187345341).

Almost surely, 2^374690681 is an apocalyptic number.

It is an amenable number.

374690681 is a deficient number, since it is larger than the sum of its proper divisors (1).

374690681 is an equidigital number, since it uses as much as digits as its factorization.

374690681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 374690681 is about 19356.9285011853. The cubic root of 374690681 is about 720.9264571935.

The spelling of 374690681 in words is "three hundred seventy-four million, six hundred ninety thousand, six hundred eighty-one".