63723538 has 8 divisors (see below), whose sum is σ = 98668800. Its totient is φ = 30833940.

The previous prime is 63723523. The next prime is 63723571. The reversal of 63723538 is 83532736.

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

It is a junction number, because it is equal to n+sod(n) for n = 63723497 and 63723506.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 513838 + ... + 513961.

It is an arithmetic number, because the mean of its divisors is an integer number (12333600).

Almost surely, 2^63723538 is an apocalyptic number.

63723538 is a deficient number, since it is larger than the sum of its proper divisors (34945262).

63723538 is a wasteful number, since it uses less digits than its factorization.

63723538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027832.

The product of its digits is 90720, while the sum is 37.

The square root of 63723538 is about 7982.7024246179. The cubic root of 63723538 is about 399.4232061720.

It can be divided in two parts, 63723 and 538, that added together give a triangular number (64261 = T₃₅₈).

The spelling of 63723538 in words is "sixty-three million, seven hundred twenty-three thousand, five hundred thirty-eight".