63673716 has 12 divisors (see below), whose sum is σ = 148572032. Its totient is φ = 21224568.

The previous prime is 63673703. The next prime is 63673717. The reversal of 63673716 is 61737636.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63673717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2653060 + ... + 2653083.

Almost surely, 2^63673716 is an apocalyptic number.

It is an amenable number.

63673716 is an abundant number, since it is smaller than the sum of its proper divisors (84898316).

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

63673716 is a wasteful number, since it uses less digits than its factorization.

63673716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5306150 (or 5306148 counting only the distinct ones).

The product of its digits is 95256, while the sum is 39.

The square root of 63673716 is about 7979.5811920175. The cubic root of 63673716 is about 399.3190832052.

The spelling of 63673716 in words is "sixty-three million, six hundred seventy-three thousand, seven hundred sixteen".