63464634 has 20 divisors (see below), whose sum is σ = 142208154. Its totient is φ = 21154824.

The previous prime is 63464633. The next prime is 63464641. The reversal of 63464634 is 43646436.

63464634 is a `hidden beast` number, since 6 + 3 + 4 + 646 + 3 + 4 = 666.

63464634 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 63441225 + 23409 = 7965^2 + 153^2 .

It is not an unprimeable number, because it can be changed into a prime (63464633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 195717 + ... + 196040.

Almost surely, 2^63464634 is an apocalyptic number.

63464634 is an abundant number, since it is smaller than the sum of its proper divisors (78743520).

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

63464634 is a wasteful number, since it uses less digits than its factorization.

63464634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391771 (or 391762 counting only the distinct ones).

The product of its digits is 124416, while the sum is 36.

The square root of 63464634 is about 7966.4693559945. The cubic root of 63464634 is about 398.8815296418.

The spelling of 63464634 in words is "sixty-three million, four hundred sixty-four thousand, six hundred thirty-four".