63347072 has 16 divisors (see below), whose sum is σ = 126199500. Its totient is φ = 31673472.

The previous prime is 63347057. The next prime is 63347077. The reversal of 63347072 is 27074336.

It is a tau number, because it is divible by the number of its divisors (16).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63347077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247322 + ... + 247577.

Almost surely, 2^63347072 is an apocalyptic number.

It is an amenable number.

63347072 is a deficient number, since it is larger than the sum of its proper divisors (62852428).

63347072 is an equidigital number, since it uses as much as digits as its factorization.

63347072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494913 (or 494901 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 32.

The square root of 63347072 is about 7959.0873848702. The cubic root of 63347072 is about 398.6350811221.

The spelling of 63347072 in words is "sixty-three million, three hundred forty-seven thousand, seventy-two".