63172995 has 8 divisors (see below), whose sum is σ = 101076816. Its totient is φ = 33692256.

The previous prime is 63172987. The next prime is 63173017. The reversal of 63172995 is 59927136.

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

It is not a de Polignac number, because 63172995 - 2³ = 63172987 is a prime.

It is a zygodrome in base 2.

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, 2105752 + ... + 2105781.

It is an arithmetic number, because the mean of its divisors is an integer number (12634602).

Almost surely, 2^63172995 is an apocalyptic number.

63172995 is a deficient number, since it is larger than the sum of its proper divisors (37903821).

63172995 is a wasteful number, since it uses less digits than its factorization.

63172995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4211541.

The product of its digits is 102060, while the sum is 42.

The square root of 63172995 is about 7948.1441230013. The cubic root of 63172995 is about 398.2695979832.

The spelling of 63172995 in words is "sixty-three million, one hundred seventy-two thousand, nine hundred ninety-five".