63620676 has 36 divisors (see below), whose sum is σ = 183793792. Its totient is φ = 18177264.

The previous prime is 63620663. The next prime is 63620677. The reversal of 63620676 is 67602636.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a self number, because there is not a number n which added to its sum of digits gives 63620676.

It is not an unprimeable number, because it can be changed into a prime (63620677) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 125980 + ... + 126483.

Almost surely, 2^63620676 is an apocalyptic number.

It is an amenable number.

63620676 is an abundant number, since it is smaller than the sum of its proper divisors (120173116).

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

63620676 is a wasteful number, since it uses less digits than its factorization.

63620676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252480 (or 252475 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The square root of 63620676 is about 7976.2570169222. The cubic root of 63620676 is about 399.2081752348.

It can be divided in two parts, 636 and 20676, that added together give a palindrome (21312).

The spelling of 63620676 in words is "sixty-three million, six hundred twenty thousand, six hundred seventy-six".