172273412 has 6 divisors (see below), whose sum is σ = 301478478. Its totient is φ = 86136704.

The previous prime is 172273391. The next prime is 172273421. The reversal of 172273412 is 214372271.

It can be written as a sum of positive squares in only one way, i.e., 167547136 + 4726276 = 12944^2 + 2174^2 .

It is an unprimeable 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 as a sum of consecutive naturals, namely, 21534173 + ... + 21534180.

It is an arithmetic number, because the mean of its divisors is an integer number (50246413).

Almost surely, 2^172273412 is an apocalyptic number.

It is an amenable number.

172273412 is a deficient number, since it is larger than the sum of its proper divisors (129205066).

172273412 is a wasteful number, since it uses less digits than its factorization.

172273412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43068357 (or 43068355 counting only the distinct ones).

The product of its digits is 4704, while the sum is 29.

The square root of 172273412 is about 13125.2966442667. The cubic root of 172273412 is about 556.4242961439.

The spelling of 172273412 in words is "one hundred seventy-two million, two hundred seventy-three thousand, four hundred twelve".