63720250332 has 12 divisors (see below), whose sum is σ = 148680584136. Its totient is φ = 21240083440.

The previous prime is 63720250291. The next prime is 63720250333. The reversal of 63720250332 is 23305202736.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×63720250332² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 63720250293 and 63720250302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63720250333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2655010419 + ... + 2655010442.

It is an arithmetic number, because the mean of its divisors is an integer number (12390048678).

Almost surely, 2^63720250332 is an apocalyptic number.

It is an amenable number.

63720250332 is an abundant number, since it is smaller than the sum of its proper divisors (84960333804).

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

63720250332 is a wasteful number, since it uses less digits than its factorization.

63720250332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5310020868 (or 5310020866 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 33.

The spelling of 63720250332 in words is "sixty-three billion, seven hundred twenty million, two hundred fifty thousand, three hundred thirty-two".