173066990 has 16 divisors (see below), whose sum is σ = 311953248. Its totient is φ = 69130656.

The previous prime is 173066977. The next prime is 173067007. The reversal of 173066990 is 99660371.

It is a happy number.

173066990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 4217 + ... + 19076.

It is an arithmetic number, because the mean of its divisors is an integer number (19497078).

Almost surely, 2^173066990 is an apocalyptic number.

173066990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

173066990 is a deficient number, since it is larger than the sum of its proper divisors (138886258).

173066990 is a wasteful number, since it uses less digits than its factorization.

173066990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24043.

The product of its (nonzero) digits is 61236, while the sum is 41.

The square root of 173066990 is about 13155.4927691820. The cubic root of 173066990 is about 557.2773776490.

It can be divided in two parts, 1730 and 66990, that multiplied together give a triangular number (115892700 = T₁₅₂₂₄).

The spelling of 173066990 in words is "one hundred seventy-three million, sixty-six thousand, nine hundred ninety".