374390749 has 2 divisors, whose sum is σ = 374390750. Its totient is φ = 374390748.

The previous prime is 374390743. The next prime is 374390761. The reversal of 374390749 is 947093473.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 341695225 + 32695524 = 18485^2 + 5718^2 .

It is an emirp because it is prime and its reverse (947093473) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 374390749 - 2¹³ = 374382557 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 374390699 and 374390708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (374390743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187195374 + 187195375.

It is an arithmetic number, because the mean of its divisors is an integer number (187195375).

Almost surely, 2^374390749 is an apocalyptic number.

It is an amenable number.

374390749 is a deficient number, since it is larger than the sum of its proper divisors (1).

374390749 is an equidigital number, since it uses as much as digits as its factorization.

374390749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 571536, while the sum is 46.

The square root of 374390749 is about 19349.1795433295. The cubic root of 374390749 is about 720.7340436940.

The spelling of 374390749 in words is "three hundred seventy-four million, three hundred ninety thousand, seven hundred forty-nine".