632272464 has 30 divisors (see below), whose sum is σ = 1769485146. Its totient is φ = 210757440.

The previous prime is 632272453. The next prime is 632272469. The reversal of 632272464 is 464272236.

It can be written as a sum of positive squares in only one way, i.e., 556582464 + 75690000 = 23592^2 + 8700^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (632272469) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2195247 + ... + 2195534.

Almost surely, 2^632272464 is an apocalyptic number.

It is an amenable number.

632272464 is an abundant number, since it is smaller than the sum of its proper divisors (1137212682).

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

632272464 is a wasteful number, since it uses less digits than its factorization.

632272464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4390795 (or 4390786 counting only the distinct ones).

The product of its digits is 96768, while the sum is 36.

The square root of 632272464 is about 25145.0286140223. The cubic root of 632272464 is about 858.2913904244.

The spelling of 632272464 in words is "six hundred thirty-two million, two hundred seventy-two thousand, four hundred sixty-four".