173381090 has 16 divisors (see below), whose sum is σ = 312269688. Its totient is φ = 69311616.

The previous prime is 173381071. The next prime is 173381123. The reversal of 173381090 is 90183371.

173381090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 122301481 + 51079609 = 11059^2 + 7147^2 .

It is a super-2 number, since 2×173381090² = 60122004739176200, which contains 22 as substring.

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, 17504 + ... + 25556.

Almost surely, 2^173381090 is an apocalyptic number.

173381090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

173381090 is a deficient number, since it is larger than the sum of its proper divisors (138888598).

173381090 is a wasteful number, since it uses less digits than its factorization.

173381090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10213.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 173381090 is about 13167.4253367923. The cubic root of 173381090 is about 557.6143089087.

The spelling of 173381090 in words is "one hundred seventy-three million, three hundred eighty-one thousand, ninety".