63973158 has 16 divisors (see below), whose sum is σ = 128618496. Its totient is φ = 21212360.

The previous prime is 63973103. The next prime is 63973199. The reversal of 63973158 is 85137936.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26766 + ... + 29057.

It is an arithmetic number, because the mean of its divisors is an integer number (8038656).

Almost surely, 2^63973158 is an apocalyptic number.

63973158 is an abundant number, since it is smaller than the sum of its proper divisors (64645338).

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

63973158 is a wasteful number, since it uses less digits than its factorization.

63973158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56019.

The product of its digits is 136080, while the sum is 42.

The square root of 63973158 is about 7998.3221990615. The cubic root of 63973158 is about 399.9440713470.

The spelling of 63973158 in words is "sixty-three million, nine hundred seventy-three thousand, one hundred fifty-eight".