374984640 has 560 divisors, whose sum is σ = 1513588032. Its totient is φ = 87588864.

The previous prime is 374984633. The next prime is 374984669. The reversal of 374984640 is 46489473.

It is a super-2 number, since 2×374984640² = 281226960471859200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 10134702 + ... + 10134738.

Almost surely, 2^374984640 is an apocalyptic number.

374984640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 374984640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (756794016).

374984640 is an abundant number, since it is smaller than the sum of its proper divisors (1138603392).

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

374984640 is a wasteful number, since it uses less digits than its factorization.

374984640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106 (or 87 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The square root of 374984640 is about 19364.5201334812. The cubic root of 374984640 is about 721.1149392622.

The spelling of 374984640 in words is "three hundred seventy-four million, nine hundred eighty-four thousand, six hundred forty".