172429492 has 12 divisors (see below), whose sum is σ = 302492260. Its totient is φ = 86003136.

The previous prime is 172429483. The next prime is 172429501. The reversal of 172429492 is 294924271.

It is an interprime number because it is at equal distance from previous prime (172429483) and next prime (172429501).

It can be written as a sum of positive squares in 2 ways, for example, as 103306896 + 69122596 = 10164^2 + 8314^2 .

It is a super-2 number, since 2×172429492² = 59463859422756128, which contains 22 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 51063 + ... + 54334.

Almost surely, 2^172429492 is an apocalyptic number.

It is an amenable number.

172429492 is a deficient number, since it is larger than the sum of its proper divisors (130062768).

172429492 is a wasteful number, since it uses less digits than its factorization.

172429492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105810 (or 105808 counting only the distinct ones).

The product of its digits is 72576, while the sum is 40.

The square root of 172429492 is about 13131.2410685358. The cubic root of 172429492 is about 556.5922858694.

The spelling of 172429492 in words is "one hundred seventy-two million, four hundred twenty-nine thousand, four hundred ninety-two".