63537998 has 8 divisors (see below), whose sum is σ = 95535720. Its totient is φ = 31692760.

The previous prime is 63537949. The next prime is 63538001. The reversal of 63537998 is 89973536.

63537998 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 37073 + ... + 38748.

It is an arithmetic number, because the mean of its divisors is an integer number (11941965).

Almost surely, 2^63537998 is an apocalyptic number.

63537998 is a deficient number, since it is larger than the sum of its proper divisors (31997722).

63537998 is a wasteful number, since it uses less digits than its factorization.

63537998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76242.

The product of its digits is 1224720, while the sum is 50.

The square root of 63537998 is about 7971.0725752561. The cubic root of 63537998 is about 399.0351704644.

The spelling of 63537998 in words is "sixty-three million, five hundred thirty-seven thousand, nine hundred ninety-eight".