172670098 has 8 divisors (see below), whose sum is σ = 259672140. Its totient is φ = 86112720.

The previous prime is 172670087. The next prime is 172670101. The reversal of 172670098 is 890076271.

It can be written as a sum of positive squares in 2 ways, for example, as 163507369 + 9162729 = 12787^2 + 3027^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 172670098.

It is an unprimeable number.

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, 110193 + ... + 111748.

Almost surely, 2^172670098 is an apocalyptic number.

172670098 is a deficient number, since it is larger than the sum of its proper divisors (87002042).

172670098 is a wasteful number, since it uses less digits than its factorization.

172670098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222332.

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 172670098 is about 13140.3994612036. The cubic root of 172670098 is about 556.8510528981.

It can be divided in two parts, 1726 and 70098, that added together give a square (71824 = 268²).

The spelling of 172670098 in words is "one hundred seventy-two million, six hundred seventy thousand, ninety-eight".