374646840 has 64 divisors (see below), whose sum is σ = 1128729600. Its totient is φ = 99480192.

The previous prime is 374646809. The next prime is 374646841. The reversal of 374646840 is 48646473.

It is a junction number, because it is equal to n+sod(n) for n = 374646792 and 374646801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (374646841) 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, 22149 + ... + 35211.

It is an arithmetic number, because the mean of its divisors is an integer number (17636400).

Almost surely, 2^374646840 is an apocalyptic number.

374646840 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 374646840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (564364800).

374646840 is an abundant number, since it is smaller than the sum of its proper divisors (754082760).

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

374646840 is a wasteful number, since it uses less digits than its factorization.

374646840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13316 (or 13312 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 42.

The square root of 374646840 is about 19355.7960311634. The cubic root of 374646840 is about 720.8983385602.

The spelling of 374646840 in words is "three hundred seventy-four million, six hundred forty-six thousand, eight hundred forty".