63004320 has 72 divisors (see below), whose sum is σ = 215007156. Its totient is φ = 16800768.

The previous prime is 63004273. The next prime is 63004339. The reversal of 63004320 is 2340036.

63004320 is a `hidden beast` number, since 630 + 0 + 4 + 32 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 62536464 + 467856 = 7908^2 + 684^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 63004293 and 63004302.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20437 + ... + 23316.

Almost surely, 2^63004320 is an apocalyptic number.

63004320 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

63004320 is an abundant number, since it is smaller than the sum of its proper divisors (152002836).

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

63004320 is a wasteful number, since it uses less digits than its factorization.

63004320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43774 (or 43763 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 63004320 is about 7937.5260629493. The cubic root of 63004320 is about 397.9148155697.

Adding to 63004320 its reverse (2340036), we get a palindrome (65344356).

The spelling of 63004320 in words is "sixty-three million, four thousand, three hundred twenty".