63412860 has 72 divisors (see below), whose sum is σ = 206554320. Its totient is φ = 14493696.

The previous prime is 63412859. The next prime is 63412871. The reversal of 63412860 is 6821436.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7845 + ... + 13724.

It is an arithmetic number, because the mean of its divisors is an integer number (2868810).

Almost surely, 2^63412860 is an apocalyptic number.

63412860 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

63412860 is an abundant number, since it is smaller than the sum of its proper divisors (143141460).

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

63412860 is a wasteful number, since it uses less digits than its factorization.

63412860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21595 (or 21586 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 63412860 is about 7963.2191982891. The cubic root of 63412860 is about 398.7730318880.

The spelling of 63412860 in words is "sixty-three million, four hundred twelve thousand, eight hundred sixty".