63722562 has 16 divisors (see below), whose sum is σ = 134942112. Its totient is φ = 19991360.

The previous prime is 63722551. The next prime is 63722563. The reversal of 63722562 is 26522736.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (63722563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312264 + ... + 312467.

It is an arithmetic number, because the mean of its divisors is an integer number (8433882).

Almost surely, 2^63722562 is an apocalyptic number.

63722562 is an abundant number, since it is smaller than the sum of its proper divisors (71219550).

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

63722562 is a wasteful number, since it uses less digits than its factorization.

63722562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624753.

The product of its digits is 30240, while the sum is 33.

The square root of 63722562 is about 7982.6412922040. The cubic root of 63722562 is about 399.4211669515.

The spelling of 63722562 in words is "sixty-three million, seven hundred twenty-two thousand, five hundred sixty-two".