172075966 has 16 divisors (see below), whose sum is σ = 271005840. Its totient is φ = 81829440.

The previous prime is 172075961. The next prime is 172075987. The reversal of 172075966 is 669570271.

It is a super-2 number, since 2×172075966² = 59220276149666312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172075961) 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, 18255 + ... + 26026.

It is an arithmetic number, because the mean of its divisors is an integer number (16937865).

Almost surely, 2^172075966 is an apocalyptic number.

172075966 is a deficient number, since it is larger than the sum of its proper divisors (98929874).

172075966 is a wasteful number, since it uses less digits than its factorization.

172075966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44379.

The product of its (nonzero) digits is 158760, while the sum is 43.

The square root of 172075966 is about 13117.7729054897. The cubic root of 172075966 is about 556.2116385446.

The spelling of 172075966 in words is "one hundred seventy-two million, seventy-five thousand, nine hundred sixty-six".