63669072 has 40 divisors (see below), whose sum is σ = 165123360. Its totient is φ = 21139840.

The previous prime is 63669061. The next prime is 63669077. The reversal of 63669072 is 27096636.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 63669072.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63669077) 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, 10447 + ... + 15377.

It is an arithmetic number, because the mean of its divisors is an integer number (4128084).

Almost surely, 2^63669072 is an apocalyptic number.

It is an amenable number.

63669072 is an abundant number, since it is smaller than the sum of its proper divisors (101454288).

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

63669072 is a wasteful number, since it uses less digits than its factorization.

63669072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5211 (or 5205 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 39.

The square root of 63669072 is about 7979.2901939960. The cubic root of 63669072 is about 399.3093749455.

The spelling of 63669072 in words is "sixty-three million, six hundred sixty-nine thousand, seventy-two".