173429090 has 16 divisors (see below), whose sum is σ = 312371640. Its totient is φ = 69327360.

The previous prime is 173429083. The next prime is 173429099. The reversal of 173429090 is 90924371.

It can be written as a sum of positive squares in 4 ways, for example, as 147306769 + 26122321 = 12137^2 + 5111^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 173429090.

It is not an unprimeable number, because it can be changed into a prime (173429099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14300 + ... + 23480.

Almost surely, 2^173429090 is an apocalyptic number.

173429090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

173429090 is a deficient number, since it is larger than the sum of its proper divisors (138942550).

173429090 is a wasteful number, since it uses less digits than its factorization.

173429090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11077.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 173429090 is about 13169.2478904454. The cubic root of 173429090 is about 557.6657620732.

The spelling of 173429090 in words is "one hundred seventy-three million, four hundred twenty-nine thousand, ninety".