374999640 has 32 divisors (see below), whose sum is σ = 1124999280. Its totient is φ = 99999872.

The previous prime is 374999627. The next prime is 374999641. The reversal of 374999640 is 46999473.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (374999641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1562379 + ... + 1562618.

Almost surely, 2^374999640 is an apocalyptic number.

374999640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

374999640 is an abundant number, since it is smaller than the sum of its proper divisors (749999640).

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

374999640 is a wasteful number, since it uses less digits than its factorization.

374999640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3125011 (or 3125007 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 51.

The square root of 374999640 is about 19364.9074358748. The cubic root of 374999640 is about 721.1245543937.

The spelling of 374999640 in words is "three hundred seventy-four million, nine hundred ninety-nine thousand, six hundred forty".