172379092 has 12 divisors (see below), whose sum is σ = 303585940. Its totient is φ = 85640256.

The previous prime is 172379087. The next prime is 172379093. The reversal of 172379092 is 290973271.

It can be written as a sum of positive squares in 2 ways, for example, as 36796356 + 135582736 = 6066^2 + 11644^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172379093) by changing a digit.

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, 136617 + ... + 137872.

Almost surely, 2^172379092 is an apocalyptic number.

It is an amenable number.

172379092 is a deficient number, since it is larger than the sum of its proper divisors (131206848).

172379092 is a wasteful number, since it uses less digits than its factorization.

172379092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274650 (or 274648 counting only the distinct ones).

The product of its (nonzero) digits is 47628, while the sum is 40.

The square root of 172379092 is about 13129.3218408264. The cubic root of 172379092 is about 556.5380511704.

The spelling of 172379092 in words is "one hundred seventy-two million, three hundred seventy-nine thousand, ninety-two".