632549772 has 72 divisors (see below), whose sum is σ = 1675215360. Its totient is φ = 200867040.

The previous prime is 632549759. The next prime is 632549807. The reversal of 632549772 is 277945236.

632549772 is a `hidden beast` number, since 6 + 32 + 549 + 7 + 72 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

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, 222979 + ... + 225797.

It is an arithmetic number, because the mean of its divisors is an integer number (23266880).

Almost surely, 2^632549772 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 632549772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (837607680).

632549772 is an abundant number, since it is smaller than the sum of its proper divisors (1042665588).

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

632549772 is a wasteful number, since it uses less digits than its factorization.

632549772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3123 (or 3118 counting only the distinct ones).

The product of its digits is 635040, while the sum is 45.

The square root of 632549772 is about 25150.5421810346. The cubic root of 632549772 is about 858.4168512526.

The spelling of 632549772 in words is "six hundred thirty-two million, five hundred forty-nine thousand, seven hundred seventy-two".