172029080 has 32 divisors (see below), whose sum is σ = 388206000. Its totient is φ = 68608896.

The previous prime is 172029061. The next prime is 172029083. The reversal of 172029080 is 80920271.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172029083) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7799 + ... + 20121.

Almost surely, 2^172029080 is an apocalyptic number.

172029080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

172029080 is an abundant number, since it is smaller than the sum of its proper divisors (216176920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

172029080 is a wasteful number, since it uses less digits than its factorization.

172029080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12683 (or 12679 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 172029080 is about 13115.9856663539. The cubic root of 172029080 is about 556.1611164633.

The spelling of 172029080 in words is "one hundred seventy-two million, twenty-nine thousand, eighty".