632747380 has 24 divisors (see below), whose sum is σ = 1337575680. Its totient is φ = 251421600.

The previous prime is 632747363. The next prime is 632747399. The reversal of 632747380 is 83747236.

It is a happy number.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101740 + ... + 107779.

It is an arithmetic number, because the mean of its divisors is an integer number (55732320).

Almost surely, 2^632747380 is an apocalyptic number.

It is an amenable number.

632747380 is an abundant number, since it is smaller than the sum of its proper divisors (704828300).

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

632747380 is a wasteful number, since it uses less digits than its factorization.

632747380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209679 (or 209677 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 40.

The square root of 632747380 is about 25154.4703780461. The cubic root of 632747380 is about 858.5062315057.

The spelling of 632747380 in words is "six hundred thirty-two million, seven hundred forty-seven thousand, three hundred eighty".