172248763 has 4 divisors (see below), whose sum is σ = 172275768. Its totient is φ = 172221760.

The previous prime is 172248757. The next prime is 172248767. The reversal of 172248763 is 367842271.

172248763 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 172248763 - 2²⁵ = 138694331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172248767) 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, 1995 + ... + 18667.

It is an arithmetic number, because the mean of its divisors is an integer number (43068942).

Almost surely, 2^172248763 is an apocalyptic number.

172248763 is a deficient number, since it is larger than the sum of its proper divisors (27005).

172248763 is a wasteful number, since it uses less digits than its factorization.

172248763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27004.

The product of its digits is 112896, while the sum is 40.

The square root of 172248763 is about 13124.3576223753. The cubic root of 172248763 is about 556.3977570193.

The spelling of 172248763 in words is "one hundred seventy-two million, two hundred forty-eight thousand, seven hundred sixty-three".