632491875 has 80 divisors (see below), whose sum is σ = 1203739680. Its totient is φ = 327888000.

The previous prime is 632491861. The next prime is 632491879. The reversal of 632491875 is 578194236.

632491875 is a `hidden beast` number, since 632 + 4 + 9 + 1 + 8 + 7 + 5 = 666.

It is not a de Polignac number, because 632491875 - 2⁵ = 632491843 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 632491875.

It is not an unprimeable number, because it can be changed into a prime (632491879) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 623869 + ... + 624881.

It is an arithmetic number, because the mean of its divisors is an integer number (15046746).

Almost surely, 2^632491875 is an apocalyptic number.

632491875 is a deficient number, since it is larger than the sum of its proper divisors (571247805).

632491875 is a wasteful number, since it uses less digits than its factorization.

632491875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079 (or 1058 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 632491875 is about 25149.3911457117. The cubic root of 632491875 is about 858.3906602823.

The spelling of 632491875 in words is "six hundred thirty-two million, four hundred ninety-one thousand, eight hundred seventy-five".