63722167 has 8 divisors (see below), whose sum is σ = 66654720. Its totient is φ = 60803160.

The previous prime is 63722129. The next prime is 63722179. The reversal of 63722167 is 76122736.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63722167 - 2¹¹ = 63720119 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 (63722107) 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, 6942 + ... + 13252.

It is an arithmetic number, because the mean of its divisors is an integer number (8331840).

Almost surely, 2^63722167 is an apocalyptic number.

63722167 is a deficient number, since it is larger than the sum of its proper divisors (2932553).

63722167 is a wasteful number, since it uses less digits than its factorization.

63722167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6773.

The product of its digits is 21168, while the sum is 34.

The square root of 63722167 is about 7982.6165509813. The cubic root of 63722167 is about 399.4203416462.

The spelling of 63722167 in words is "sixty-three million, seven hundred twenty-two thousand, one hundred sixty-seven".