632780832 has 48 divisors (see below), whose sum is σ = 1666435680. Its totient is φ = 210243072.

The previous prime is 632780831. The next prime is 632780849. The reversal of 632780832 is 238087236.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×632780832² = 800823162693224448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (632780831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19519 + ... + 40577.

It is an arithmetic number, because the mean of its divisors is an integer number (34717410).

Almost surely, 2^632780832 is an apocalyptic number.

It is an amenable number.

632780832 is an abundant number, since it is smaller than the sum of its proper divisors (1033654848).

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

632780832 is a wasteful number, since it uses less digits than its factorization.

632780832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21385 (or 21377 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 632780832 is about 25155.1353007691. The cubic root of 632780832 is about 858.5213603682.

The spelling of 632780832 in words is "six hundred thirty-two million, seven hundred eighty thousand, eight hundred thirty-two".