63972744 has 64 divisors (see below), whose sum is σ = 175184640. Its totient is φ = 19306560.

The previous prime is 63972743. The next prime is 63972757. The reversal of 63972744 is 44727936.

It is a junction number, because it is equal to n+sod(n) for n = 63972696 and 63972705.

It is not an unprimeable number, because it can be changed into a prime (63972743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116679 + ... + 117225.

It is an arithmetic number, because the mean of its divisors is an integer number (2737260).

Almost surely, 2^63972744 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 63972744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87592320).

63972744 is an abundant number, since it is smaller than the sum of its proper divisors (111211896).

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

63972744 is a wasteful number, since it uses less digits than its factorization.

63972744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010 (or 1006 counting only the distinct ones).

The product of its digits is 254016, while the sum is 42.

The square root of 63972744 is about 7998.2963185919. The cubic root of 63972744 is about 399.9432086039.

The spelling of 63972744 in words is "sixty-three million, nine hundred seventy-two thousand, seven hundred forty-four".