63372689 has 2 divisors, whose sum is σ = 63372690. Its totient is φ = 63372688.

The previous prime is 63372671. The next prime is 63372721. The reversal of 63372689 is 98627336.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40857664 + 22515025 = 6392^2 + 4745^2 .

It is a cyclic number.

It is not a de Polignac number, because 63372689 - 2¹² = 63368593 is a prime.

It is a super-2 number, since 2×63372689² = 8032195422181442, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (63372389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31686344 + 31686345.

It is an arithmetic number, because the mean of its divisors is an integer number (31686345).

Almost surely, 2^63372689 is an apocalyptic number.

It is an amenable number.

63372689 is a deficient number, since it is larger than the sum of its proper divisors (1).

63372689 is an equidigital number, since it uses as much as digits as its factorization.

63372689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 44.

The square root of 63372689 is about 7960.6965147530. The cubic root of 63372689 is about 398.6888087232.

The spelling of 63372689 in words is "sixty-three million, three hundred seventy-two thousand, six hundred eighty-nine".