172304324 has 12 divisors (see below), whose sum is σ = 311259648. Its totient is φ = 83373000.

The previous prime is 172304323. The next prime is 172304351. The reversal of 172304324 is 423403271.

It is a junction number, because it is equal to n+sod(n) for n = 172304293 and 172304302.

It is not an unprimeable number, because it can be changed into a prime (172304323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 694652 + ... + 694899.

It is an arithmetic number, because the mean of its divisors is an integer number (25938304).

Almost surely, 2^172304324 is an apocalyptic number.

It is an amenable number.

172304324 is a deficient number, since it is larger than the sum of its proper divisors (138955324).

172304324 is a wasteful number, since it uses less digits than its factorization.

172304324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389586 (or 1389584 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 172304324 is about 13126.4741648319. The cubic root of 172304324 is about 556.4575749476.

Adding to 172304324 its reverse (423403271), we get a palindrome (595707595).

The spelling of 172304324 in words is "one hundred seventy-two million, three hundred four thousand, three hundred twenty-four".