374637749 has 2 divisors, whose sum is σ = 374637750. Its totient is φ = 374637748.

The previous prime is 374637719. The next prime is 374637751. The reversal of 374637749 is 947736473.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 326958724 + 47679025 = 18082^2 + 6905^2 .

It is a cyclic number.

It is not a de Polignac number, because 374637749 - 2¹² = 374633653 is a prime.

Together with 374637751, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 374637697 and 374637706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (374637719) 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, 187318874 + 187318875.

It is an arithmetic number, because the mean of its divisors is an integer number (187318875).

Almost surely, 2^374637749 is an apocalyptic number.

It is an amenable number.

374637749 is a deficient number, since it is larger than the sum of its proper divisors (1).

374637749 is an equidigital number, since it uses as much as digits as its factorization.

374637749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2667168, while the sum is 50.

The square root of 374637749 is about 19355.5611905209. The cubic root of 374637749 is about 720.8925075222.

The spelling of 374637749 in words is "three hundred seventy-four million, six hundred thirty-seven thousand, seven hundred forty-nine".