63311472 has 120 divisors (see below), whose sum is σ = 204736896. Its totient is φ = 17889408.

The previous prime is 63311471. The next prime is 63311509. The reversal of 63311472 is 27411336.

It is a nude number because it is divisible by every one of its digits.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63311471) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107563 + ... + 108149.

Almost surely, 2^63311472 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 63311472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102368448).

63311472 is an abundant number, since it is smaller than the sum of its proper divisors (141425424).

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

63311472 is a wasteful number, since it uses less digits than its factorization.

63311472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715 (or 706 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 63311472 is about 7956.8506332594. The cubic root of 63311472 is about 398.5603917023.

The spelling of 63311472 in words is "sixty-three million, three hundred eleven thousand, four hundred seventy-two".