63673506 has 32 divisors (see below), whose sum is σ = 152382720. Its totient is φ = 19591632.

The previous prime is 63673501. The next prime is 63673507. The reversal of 63673506 is 60537636.

63673506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (63673501) 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 15 ways as a sum of consecutive naturals, for example, 44650 + ... + 46053.

It is an arithmetic number, because the mean of its divisors is an integer number (4761960).

Almost surely, 2^63673506 is an apocalyptic number.

63673506 is an abundant number, since it is smaller than the sum of its proper divisors (88709214).

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

63673506 is a wasteful number, since it uses less digits than its factorization.

63673506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90727 (or 90721 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 36.

The square root of 63673506 is about 7979.5680334214. The cubic root of 63673506 is about 399.3186442114.

The spelling of 63673506 in words is "sixty-three million, six hundred seventy-three thousand, five hundred six".