63480918 has 16 divisors (see below), whose sum is σ = 127673280. Its totient is φ = 21041736.

The previous prime is 63480917. The next prime is 63480929. The reversal of 63480918 is 81908436.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63480917) 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, 28480 + ... + 30627.

It is an arithmetic number, because the mean of its divisors is an integer number (7979580).

Almost surely, 2^63480918 is an apocalyptic number.

63480918 is an abundant number, since it is smaller than the sum of its proper divisors (64192362).

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

63480918 is a wasteful number, since it uses less digits than its factorization.

63480918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59291.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 63480918 is about 7967.4913241246. The cubic root of 63480918 is about 398.9156422436.

The spelling of 63480918 in words is "sixty-three million, four hundred eighty thousand, nine hundred eighteen".