374137640 has 32 divisors (see below), whose sum is σ = 844226280. Its totient is φ = 149225472.

The previous prime is 374137627. The next prime is 374137651. The reversal of 374137640 is 46731473.

It can be written as a sum of positive squares in 4 ways, for example, as 348270244 + 25867396 = 18662^2 + 5086^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 374137640.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 872 + ... + 27368.

Almost surely, 2^374137640 is an apocalyptic number.

It is an amenable number.

374137640 is an abundant number, since it is smaller than the sum of its proper divisors (470088640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

374137640 is a wasteful number, since it uses less digits than its factorization.

374137640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26861 (or 26857 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 35.

The square root of 374137640 is about 19342.6378759465. The cubic root of 374137640 is about 720.5715882927.

The spelling of 374137640 in words is "three hundred seventy-four million, one hundred thirty-seven thousand, six hundred forty".