374021840 has 80 divisors (see below), whose sum is σ = 924643200. Its totient is φ = 140299776.

The previous prime is 374021831. The next prime is 374021849. The reversal of 374021840 is 48120473.

It is an interprime number because it is at equal distance from previous prime (374021831) and next prime (374021849).

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (374021849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155366 + ... + 157754.

It is an arithmetic number, because the mean of its divisors is an integer number (11558040).

Almost surely, 2^374021840 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 374021840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (462321600).

374021840 is an abundant number, since it is smaller than the sum of its proper divisors (550621360).

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

374021840 is a wasteful number, since it uses less digits than its factorization.

374021840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2524 (or 2518 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 374021840 is about 19339.6442573280. The cubic root of 374021840 is about 720.4972388276.

The spelling of 374021840 in words is "three hundred seventy-four million, twenty-one thousand, eight hundred forty".