972170 has 16 divisors (see below), whose sum is σ = 1777248. Its totient is φ = 382800.

The previous prime is 972163. The next prime is 972197. The reversal of 972170 is 71279.

It is a super-2 number, since 2×972170² = 1890229017800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

972170 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56 + ... + 1395.

It is an arithmetic number, because the mean of its divisors is an integer number (111078).

2⁹⁷²¹⁷⁰ is an apocalyptic number.

972170 is a deficient number, since it is larger than the sum of its proper divisors (805078).

972170 is a wasteful number, since it uses less digits than its factorization.

972170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1525.

The product of its (nonzero) digits is 882, while the sum is 26.

The square root of 972170 is about 985.9868153277. The cubic root of 972170 is about 99.0635921058.

Adding to 972170 its sum of digits (26), we get a square (972196 = 986²).

The spelling of 972170 in words is "nine hundred seventy-two thousand, one hundred seventy".