172606970 has 16 divisors (see below), whose sum is σ = 313141248. Its totient is φ = 68498640.

The previous prime is 172606969. The next prime is 172606981. The reversal of 172606970 is 79606271.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66686 + ... + 69225.

It is an arithmetic number, because the mean of its divisors is an integer number (19571328).

Almost surely, 2^172606970 is an apocalyptic number.

172606970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

172606970 is a deficient number, since it is larger than the sum of its proper divisors (140534278).

172606970 is a wasteful number, since it uses less digits than its factorization.

172606970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136045.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 172606970 is about 13137.9971837415. The cubic root of 172606970 is about 556.7831832467.

The spelling of 172606970 in words is "one hundred seventy-two million, six hundred six thousand, nine hundred seventy".