63240916 has 6 divisors (see below), whose sum is σ = 110671610. Its totient is φ = 31620456.

The previous prime is 63240913. The next prime is 63240923. The reversal of 63240916 is 61904236.

It can be written as a sum of positive squares in only one way, i.e., 63202500 + 38416 = 7950^2 + 196^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63240913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7905111 + ... + 7905118.

Almost surely, 2^63240916 is an apocalyptic number.

It is an amenable number.

63240916 is a deficient number, since it is larger than the sum of its proper divisors (47430694).

63240916 is a wasteful number, since it uses less digits than its factorization.

63240916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15810233 (or 15810231 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 63240916 is about 7952.4157335994. The cubic root of 63240916 is about 398.4122812110.

The spelling of 63240916 in words is "sixty-three million, two hundred forty thousand, nine hundred sixteen".