172023270 has 32 divisors (see below), whose sum is σ = 413752320. Its totient is φ = 45773280.

The previous prime is 172023251. The next prime is 172023281. The reversal of 172023270 is 72320271.

172023270 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 172023270.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8385 + ... + 20355.

It is an arithmetic number, because the mean of its divisors is an integer number (12929760).

Almost surely, 2^172023270 is an apocalyptic number.

172023270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

172023270 is an abundant number, since it is smaller than the sum of its proper divisors (241729050).

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

172023270 is a wasteful number, since it uses less digits than its factorization.

172023270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12460.

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 172023270 is about 13115.7641790328. The cubic root of 172023270 is about 556.1548552497.

The spelling of 172023270 in words is "one hundred seventy-two million, twenty-three thousand, two hundred seventy".