637482942 has 48 divisors (see below), whose sum is σ = 1397270160. Its totient is φ = 210038400.

The previous prime is 637482931. The next prime is 637482971. The reversal of 637482942 is 249284736.

637482942 is a `hidden beast` number, since 637 + 4 + 8 + 2 + 9 + 4 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 964092 + ... + 964752.

It is an arithmetic number, because the mean of its divisors is an integer number (29109795).

Almost surely, 2^637482942 is an apocalyptic number.

637482942 is an abundant number, since it is smaller than the sum of its proper divisors (759787218).

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

637482942 is a wasteful number, since it uses less digits than its factorization.

637482942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1209 (or 1206 counting only the distinct ones).

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

The square root of 637482942 is about 25248.4245449097. The cubic root of 637482942 is about 860.6426339689.

The spelling of 637482942 in words is "six hundred thirty-seven million, four hundred eighty-two thousand, nine hundred forty-two".