172670097 has 4 divisors (see below), whose sum is σ = 230226800. Its totient is φ = 115113396.

The previous prime is 172670087. The next prime is 172670101. The reversal of 172670097 is 790076271.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 172670097 - 2⁶ = 172670033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172670027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28778347 + ... + 28778352.

It is an arithmetic number, because the mean of its divisors is an integer number (57556700).

Almost surely, 2^172670097 is an apocalyptic number.

It is an amenable number.

172670097 is a deficient number, since it is larger than the sum of its proper divisors (57556703).

172670097 is an equidigital number, since it uses as much as digits as its factorization.

172670097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57556702.

The product of its (nonzero) digits is 37044, while the sum is 39.

The square root of 172670097 is about 13140.3994231530. The cubic root of 172670097 is about 556.8510518231.

The spelling of 172670097 in words is "one hundred seventy-two million, six hundred seventy thousand, ninety-seven".