63418478 has 8 divisors (see below), whose sum is σ = 96467760. Its totient is φ = 31262560.

The previous prime is 63418477. The next prime is 63418493. The reversal of 63418478 is 87481436.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63418471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223163 + ... + 223446.

It is an arithmetic number, because the mean of its divisors is an integer number (12058470).

Almost surely, 2^63418478 is an apocalyptic number.

63418478 is a deficient number, since it is larger than the sum of its proper divisors (33049282).

63418478 is a wasteful number, since it uses less digits than its factorization.

63418478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446682.

The product of its digits is 129024, while the sum is 41.

The square root of 63418478 is about 7963.5719372653. The cubic root of 63418478 is about 398.7848078418.

The spelling of 63418478 in words is "sixty-three million, four hundred eighteen thousand, four hundred seventy-eight".