172270086 has 16 divisors (see below), whose sum is σ = 348902400. Its totient is φ = 56696328.

The previous prime is 172270081. The next prime is 172270103. The reversal of 172270086 is 680072271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172270081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181246 + ... + 182193.

It is an arithmetic number, because the mean of its divisors is an integer number (21806400).

Almost surely, 2^172270086 is an apocalyptic number.

172270086 is an abundant number, since it is smaller than the sum of its proper divisors (176632314).

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

172270086 is a wasteful number, since it uses less digits than its factorization.

172270086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363523.

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 172270086 is about 13125.1699417569. The cubic root of 172270086 is about 556.4207152487.

The spelling of 172270086 in words is "one hundred seventy-two million, two hundred seventy thousand, eighty-six".