172042324 has 6 divisors (see below), whose sum is σ = 301074074. Its totient is φ = 86021160.

The previous prime is 172042319. The next prime is 172042337. The reversal of 172042324 is 423240271.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 169260100 + 2782224 = 13010^2 + 1668^2 .

It is a super-2 number, since 2×172042324² = 59197122494641952, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21505287 + ... + 21505294.

Almost surely, 2^172042324 is an apocalyptic number.

It is an amenable number.

172042324 is a deficient number, since it is larger than the sum of its proper divisors (129031750).

172042324 is a wasteful number, since it uses less digits than its factorization.

172042324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43010585 (or 43010583 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 172042324 is about 13116.4905367251. The cubic root of 172042324 is about 556.1753884860.

Adding to 172042324 its reverse (423240271), we get a palindrome (595282595).

It can be divided in two parts, 1720 and 42324, that added together give a palindrome (44044).

The spelling of 172042324 in words is "one hundred seventy-two million, forty-two thousand, three hundred twenty-four".