632720871836 has 12 divisors (see below), whose sum is σ = 1107269607528. Its totient is φ = 316358126832.

The previous prime is 632720871833. The next prime is 632720871847. The reversal of 632720871836 is 638178027236.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (632720871833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137630 + ... + 1133306.

It is an arithmetic number, because the mean of its divisors is an integer number (92272467294).

Almost surely, 2^632720871836 is an apocalyptic number.

It is an amenable number.

632720871836 is a deficient number, since it is larger than the sum of its proper divisors (474548735692).

632720871836 is a wasteful number, since it uses less digits than its factorization.

632720871836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1154548 (or 1154546 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 53.

The spelling of 632720871836 in words is "six hundred thirty-two billion, seven hundred twenty million, eight hundred seventy-one thousand, eight hundred thirty-six".