63984722 has 8 divisors (see below), whose sum is σ = 96588876. Its totient is φ = 31788432.

The previous prime is 63984709. The next prime is 63984749. The reversal of 63984722 is 22748936.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 61324561 + 2660161 = 7831^2 + 1631^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 63984722.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101573 + ... + 102200.

Almost surely, 2^63984722 is an apocalyptic number.

63984722 is a deficient number, since it is larger than the sum of its proper divisors (32604154).

63984722 is a wasteful number, since it uses less digits than its factorization.

63984722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203932.

The product of its digits is 145152, while the sum is 41.

The square root of 63984722 is about 7999.0450680066. The cubic root of 63984722 is about 399.9681683003.

The spelling of 63984722 in words is "sixty-three million, nine hundred eighty-four thousand, seven hundred twenty-two".