63756072 has 40 divisors (see below), whose sum is σ = 178577850. Its totient is φ = 21251808.

The previous prime is 63756071. The next prime is 63756097. The reversal of 63756072 is 27065736.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 63584676 + 171396 = 7974^2 + 414^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (63756071) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 48547 + ... + 49842.

Almost surely, 2^63756072 is an apocalyptic number.

It is an amenable number.

63756072 is an abundant number, since it is smaller than the sum of its proper divisors (114821778).

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

63756072 is a wasteful number, since it uses less digits than its factorization.

63756072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98407 (or 98394 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 36.

The square root of 63756072 is about 7984.7399456714. The cubic root of 63756072 is about 399.4911696704.

The spelling of 63756072 in words is "sixty-three million, seven hundred fifty-six thousand, seventy-two".