63772313 has 4 divisors (see below), whose sum is σ = 69569808. Its totient is φ = 57974820.

The previous prime is 63772297. The next prime is 63772351. The reversal of 63772313 is 31327736.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 63772313 - 2⁴ = 63772297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63772313.

It is not an unprimeable number, because it can be changed into a prime (63772013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2898731 + ... + 2898752.

It is an arithmetic number, because the mean of its divisors is an integer number (17392452).

Almost surely, 2^63772313 is an apocalyptic number.

It is an amenable number.

63772313 is a deficient number, since it is larger than the sum of its proper divisors (5797495).

63772313 is a wasteful number, since it uses less digits than its factorization.

63772313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5797494.

The product of its digits is 15876, while the sum is 32.

The square root of 63772313 is about 7985.7568833518. The cubic root of 63772313 is about 399.5250884540.

It can be divided in two parts, 637723 and 13, that added together give a palindrome (637736).

The spelling of 63772313 in words is "sixty-three million, seven hundred seventy-two thousand, three hundred thirteen".