63614478 has 8 divisors (see below), whose sum is σ = 127228968. Its totient is φ = 21204824.

The previous prime is 63614477. The next prime is 63614497. The reversal of 63614478 is 87441636.

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

63614478 is an admirable number.

It is a super-2 number, since 2×63614478² = 8093603622424968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63614477) 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, 5301201 + ... + 5301212.

It is an arithmetic number, because the mean of its divisors is an integer number (15903621).

Almost surely, 2^63614478 is an apocalyptic number.

63614478 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

63614478 is a wasteful number, since it uses less digits than its factorization.

63614478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10602418.

The product of its digits is 96768, while the sum is 39.

The square root of 63614478 is about 7975.8684793570. The cubic root of 63614478 is about 399.1952110394.

The spelling of 63614478 in words is "sixty-three million, six hundred fourteen thousand, four hundred seventy-eight".