374949457 has 2 divisors, whose sum is σ = 374949458. Its totient is φ = 374949456.

The previous prime is 374949451. The next prime is 374949479. The reversal of 374949457 is 754949473.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 191102976 + 183846481 = 13824^2 + 13559^2 .

It is an emirp because it is prime and its reverse (754949473) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 374949457 - 2¹⁹ = 374425169 is a prime.

It is not a weakly prime, because it can be changed into another prime (374949451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187474728 + 187474729.

It is an arithmetic number, because the mean of its divisors is an integer number (187474729).

Almost surely, 2^374949457 is an apocalyptic number.

It is an amenable number.

374949457 is a deficient number, since it is larger than the sum of its proper divisors (1).

374949457 is an equidigital number, since it uses as much as digits as its factorization.

374949457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3810240, while the sum is 52.

The square root of 374949457 is about 19363.6116724128. The cubic root of 374949457 is about 721.0923856447.

It can be divided in two parts, 37 and 4949457, that added together give a palindrome (4949494).

The spelling of 374949457 in words is "three hundred seventy-four million, nine hundred forty-nine thousand, four hundred fifty-seven".