172600490 has 32 divisors (see below), whose sum is σ = 329676480. Its totient is φ = 64836864.

The previous prime is 172600481. The next prime is 172600501. The reversal of 172600490 is 94006271.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108521 + ... + 110099.

It is an arithmetic number, because the mean of its divisors is an integer number (10302390).

Almost surely, 2^172600490 is an apocalyptic number.

172600490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

172600490 is a deficient number, since it is larger than the sum of its proper divisors (157075990).

172600490 is a wasteful number, since it uses less digits than its factorization.

172600490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2246.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 172600490 is about 13137.7505684954. The cubic root of 172600490 is about 556.7762155864.

The spelling of 172600490 in words is "one hundred seventy-two million, six hundred thousand, four hundred ninety".