63065904 has 80 divisors (see below), whose sum is σ = 183512064. Its totient is φ = 18489600.

The previous prime is 63065897. The next prime is 63065909. The reversal of 63065904 is 40956036.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (63065909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14442 + ... + 18294.

Almost surely, 2^63065904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63065904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91756032).

63065904 is an abundant number, since it is smaller than the sum of its proper divisors (120446160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63065904 is a wasteful number, since it uses less digits than its factorization.

63065904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3906 (or 3900 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 63065904 is about 7941.4044098006. The cubic root of 63065904 is about 398.0444215294.

The spelling of 63065904 in words is "sixty-three million, sixty-five thousand, nine hundred four".