63972223 has 16 divisors (see below), whose sum is σ = 78359040. Its totient is φ = 51026976.

The previous prime is 63972211. The next prime is 63972263. The reversal of 63972223 is 32227936.

It is not a de Polignac number, because 63972223 - 2⁵ = 63972191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63972263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 588 + ... + 11326.

It is an arithmetic number, because the mean of its divisors is an integer number (4897440).

Almost surely, 2^63972223 is an apocalyptic number.

63972223 is a deficient number, since it is larger than the sum of its proper divisors (14386817).

63972223 is a wasteful number, since it uses less digits than its factorization.

63972223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10806.

The product of its digits is 27216, while the sum is 34.

The square root of 63972223 is about 7998.2637490895. The cubic root of 63972223 is about 399.9421228760.

The spelling of 63972223 in words is "sixty-three million, nine hundred seventy-two thousand, two hundred twenty-three".