374568421 has 2 divisors, whose sum is σ = 374568422. Its totient is φ = 374568420.

The previous prime is 374568407. The next prime is 374568433. The reversal of 374568421 is 124865473.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 300849025 + 73719396 = 17345^2 + 8586^2 .

It is a cyclic number.

It is not a de Polignac number, because 374568421 - 2¹⁹ = 374044133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (374568401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187284210 + 187284211.

It is an arithmetic number, because the mean of its divisors is an integer number (187284211).

Almost surely, 2^374568421 is an apocalyptic number.

It is an amenable number.

374568421 is a deficient number, since it is larger than the sum of its proper divisors (1).

374568421 is an equidigital number, since it uses as much as digits as its factorization.

374568421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 161280, while the sum is 40.

The square root of 374568421 is about 19353.7702011779. The cubic root of 374568421 is about 720.8480369022.

The spelling of 374568421 in words is "three hundred seventy-four million, five hundred sixty-eight thousand, four hundred twenty-one".