671560632 has 56 divisors (see below), whose sum is σ = 1887917040. Its totient is φ = 223851600.

The previous prime is 671560621. The next prime is 671560667. The reversal of 671560632 is 236065176.

671560632 is a `hidden beast` number, since 6 + 7 + 15 + 6 + 0 + 632 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 51744 + ... + 63407.

Almost surely, 2^671560632 is an apocalyptic number.

It is an amenable number.

671560632 is an abundant number, since it is smaller than the sum of its proper divisors (1216356408).

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

671560632 is a wasteful number, since it uses less digits than its factorization.

671560632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115175 (or 115156 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 671560632 is about 25914.4869136937. The cubic root of 671560632 is about 875.7128914614.

The spelling of 671560632 in words is "six hundred seventy-one million, five hundred sixty thousand, six hundred thirty-two".