63631373 has 12 divisors (see below), whose sum is σ = 70377408. Its totient is φ = 57479760.

The previous prime is 63631349. The next prime is 63631397. The reversal of 63631373 is 37313636.

63631373 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (63631349) and next prime (63631397).

It is not a de Polignac number, because 63631373 - 2²² = 59437069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63631333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3938 + ... + 11948.

It is an arithmetic number, because the mean of its divisors is an integer number (5864784).

Almost surely, 2^63631373 is an apocalyptic number.

It is an amenable number.

63631373 is a deficient number, since it is larger than the sum of its proper divisors (6746035).

63631373 is a wasteful number, since it uses less digits than its factorization.

63631373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8084 (or 8071 counting only the distinct ones).

The product of its digits is 20412, while the sum is 32.

The square root of 63631373 is about 7976.9275413532. The cubic root of 63631373 is about 399.2305478910.

The spelling of 63631373 in words is "sixty-three million, six hundred thirty-one thousand, three hundred seventy-three".