63604120 has 32 divisors (see below), whose sum is σ = 146603520. Its totient is φ = 24820480.

The previous prime is 63604111. The next prime is 63604127. The reversal of 63604120 is 2140636.

It is a junction number, because it is equal to n+sod(n) for n = 63604091 and 63604100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63604127) 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, 17752 + ... + 21031.

It is an arithmetic number, because the mean of its divisors is an integer number (4581360).

Almost surely, 2^63604120 is an apocalyptic number.

It is an amenable number.

63604120 is an abundant number, since it is smaller than the sum of its proper divisors (82999400).

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

63604120 is a wasteful number, since it uses less digits than its factorization.

63604120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38835 (or 38831 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 63604120 is about 7975.2191192468. The cubic root of 63604120 is about 399.1735436006.

Adding to 63604120 its reverse (2140636), we get a palindrome (65744756).

The spelling of 63604120 in words is "sixty-three million, six hundred four thousand, one hundred twenty".