172276063 has 4 divisors (see below), whose sum is σ = 172303848. Its totient is φ = 172248280.

The previous prime is 172276057. The next prime is 172276087. The reversal of 172276063 is 360672271.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-172276063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172273063) 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, 120 + ... + 18562.

It is an arithmetic number, because the mean of its divisors is an integer number (43075962).

Almost surely, 2^172276063 is an apocalyptic number.

172276063 is a deficient number, since it is larger than the sum of its proper divisors (27785).

172276063 is an equidigital number, since it uses as much as digits as its factorization.

172276063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27784.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 172276063 is about 13125.3976320720. The cubic root of 172276063 is about 556.4271502760.

The spelling of 172276063 in words is "one hundred seventy-two million, two hundred seventy-six thousand, sixty-three".