63115472 has 40 divisors (see below), whose sum is σ = 141020736. Its totient is φ = 26804736.

The previous prime is 63115463. The next prime is 63115477. The reversal of 63115472 is 27451136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63115477) 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, 10163 + ... + 15149.

Almost surely, 2^63115472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63115472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70510368).

63115472 is an abundant number, since it is smaller than the sum of its proper divisors (77905264).

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

63115472 is a wasteful number, since it uses less digits than its factorization.

63115472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5115 (or 5109 counting only the distinct ones).

The product of its digits is 5040, while the sum is 29.

The square root of 63115472 is about 7944.5246553837. The cubic root of 63115472 is about 398.1486780703.

The spelling of 63115472 in words is "sixty-three million, one hundred fifteen thousand, four hundred seventy-two".