63516764 has 24 divisors (see below), whose sum is σ = 113272320. Its totient is φ = 31159296.

The previous prime is 63516751. The next prime is 63516767. The reversal of 63516764 is 46761536.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63516767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48632 + ... + 49920.

It is an arithmetic number, because the mean of its divisors is an integer number (4719680).

Almost surely, 2^63516764 is an apocalyptic number.

It is an amenable number.

63516764 is a deficient number, since it is larger than the sum of its proper divisors (49755556).

63516764 is a wasteful number, since it uses less digits than its factorization.

63516764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1517 (or 1515 counting only the distinct ones).

The product of its digits is 90720, while the sum is 38.

The square root of 63516764 is about 7969.7405227523. The cubic root of 63516764 is about 398.9907138288.

The spelling of 63516764 in words is "sixty-three million, five hundred sixteen thousand, seven hundred sixty-four".