172485830 has 16 divisors (see below), whose sum is σ = 338699664. Its totient is φ = 62722080.

The previous prime is 172485821. The next prime is 172485853. The reversal of 172485830 is 38584271.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 783917 + ... + 784136.

It is an arithmetic number, because the mean of its divisors is an integer number (21168729).

Almost surely, 2^172485830 is an apocalyptic number.

172485830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

172485830 is a deficient number, since it is larger than the sum of its proper divisors (166213834).

172485830 is a wasteful number, since it uses less digits than its factorization.

172485830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1568071.

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 172485830 is about 13133.3860828044. The cubic root of 172485830 is about 556.6528978551.

The spelling of 172485830 in words is "one hundred seventy-two million, four hundred eighty-five thousand, eight hundred thirty".