63672500 has 30 divisors (see below), whose sum is σ = 139244490. Its totient is φ = 25468000.

The previous prime is 63672493. The next prime is 63672503. The reversal of 63672500 is 527636.

63672500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 5 ways, for example, as 15952036 + 47720464 = 3994^2 + 6908^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63672503) by changing a digit.

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 9 ways as a sum of consecutive naturals, for example, 10235 + ... + 15234.

It is an arithmetic number, because the mean of its divisors is an integer number (4641483).

Almost surely, 2^63672500 is an apocalyptic number.

It is an amenable number.

63672500 is an abundant number, since it is smaller than the sum of its proper divisors (75571990).

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

63672500 is a wasteful number, since it uses less digits than its factorization.

63672500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25493 (or 25476 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 63672500 is about 7979.5049971787. The cubic root of 63672500 is about 399.3165412086.

The spelling of 63672500 in words is "sixty-three million, six hundred seventy-two thousand, five hundred".