63426672 has 80 divisors (see below), whose sum is σ = 186550560. Its totient is φ = 20620800.

The previous prime is 63426667. The next prime is 63426697. The reversal of 63426672 is 27662436.

It is a happy number.

63426672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 15922 + ... + 19502.

It is an arithmetic number, because the mean of its divisors is an integer number (2331882).

Almost surely, 2^63426672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63426672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93275280).

63426672 is an abundant number, since it is smaller than the sum of its proper divisors (123123888).

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

63426672 is a wasteful number, since it uses less digits than its factorization.

63426672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3639 (or 3627 counting only the distinct ones).

The product of its digits is 72576, while the sum is 36.

The square root of 63426672 is about 7964.0863882808. The cubic root of 63426672 is about 398.8019821318.

The spelling of 63426672 in words is "sixty-three million, four hundred twenty-six thousand, six hundred seventy-two".