63772964 has 6 divisors (see below), whose sum is σ = 111602694. Its totient is φ = 31886480.

The previous prime is 63772931. The next prime is 63772991. The reversal of 63772964 is 46927736.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 45454564 + 18318400 = 6742^2 + 4280^2 .

It is a zygodrome in base 3.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7971617 + ... + 7971624.

It is an arithmetic number, because the mean of its divisors is an integer number (18600449).

Almost surely, 2^63772964 is an apocalyptic number.

It is an amenable number.

63772964 is a deficient number, since it is larger than the sum of its proper divisors (47829730).

63772964 is a wasteful number, since it uses less digits than its factorization.

63772964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15943245 (or 15943243 counting only the distinct ones).

The product of its digits is 381024, while the sum is 44.

The square root of 63772964 is about 7985.7976433165. The cubic root of 63772964 is about 399.5264479257.

The spelling of 63772964 in words is "sixty-three million, seven hundred seventy-two thousand, nine hundred sixty-four".