63765672 has 32 divisors (see below), whose sum is σ = 167805600. Its totient is φ = 20136384.

The previous prime is 63765671. The next prime is 63765673. The reversal of 63765672 is 27656736.

It is an interprime number because it is at equal distance from previous prime (63765671) and next prime (63765673).

It is a super-3 number, since 3×63765672³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (63765671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69463 + ... + 70374.

It is an arithmetic number, because the mean of its divisors is an integer number (5243925).

Almost surely, 2^63765672 is an apocalyptic number.

It is an amenable number.

63765672 is an abundant number, since it is smaller than the sum of its proper divisors (104039928).

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

63765672 is a wasteful number, since it uses less digits than its factorization.

63765672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139865 (or 139861 counting only the distinct ones).

The product of its digits is 317520, while the sum is 42.

The square root of 63765672 is about 7985.3410697352. The cubic root of 63765672 is about 399.5112196444.

The spelling of 63765672 in words is "sixty-three million, seven hundred sixty-five thousand, six hundred seventy-two".