63969722 has 16 divisors (see below), whose sum is σ = 97671744. Its totient is φ = 31416000.

The previous prime is 63969683. The next prime is 63969727. The reversal of 63969722 is 22796936.

63969722 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (63969727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46322 + ... + 47682.

It is an arithmetic number, because the mean of its divisors is an integer number (6104484).

Almost surely, 2^63969722 is an apocalyptic number.

63969722 is a deficient number, since it is larger than the sum of its proper divisors (33702022).

63969722 is a wasteful number, since it uses less digits than its factorization.

63969722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1765.

The product of its digits is 244944, while the sum is 44.

The square root of 63969722 is about 7998.1074011293. The cubic root of 63969722 is about 399.9369108833.

The spelling of 63969722 in words is "sixty-three million, nine hundred sixty-nine thousand, seven hundred twenty-two".