63673255 has 4 divisors (see below), whose sum is σ = 76407912. Its totient is φ = 50938600.

The previous prime is 63673243. The next prime is 63673271. The reversal of 63673255 is 55237636.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-63673255 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6367321 + ... + 6367330.

It is an arithmetic number, because the mean of its divisors is an integer number (19101978).

Almost surely, 2^63673255 is an apocalyptic number.

63673255 is a deficient number, since it is larger than the sum of its proper divisors (12734657).

63673255 is a wasteful number, since it uses less digits than its factorization.

63673255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12734656.

The product of its digits is 113400, while the sum is 37.

The square root of 63673255 is about 7979.5523057375. The cubic root of 63673255 is about 399.3181195080.

The spelling of 63673255 in words is "sixty-three million, six hundred seventy-three thousand, two hundred fifty-five".