17042090 has 32 divisors (see below), whose sum is σ = 33218640. Its totient is φ = 6257664.

The previous prime is 17042083. The next prime is 17042167. The reversal of 17042090 is 9024071.

It can be written as a sum of positive squares in 8 ways, for example, as 1129969 + 15912121 = 1063^2 + 3989^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43616 + ... + 44004.

Almost surely, 2^17042090 is an apocalyptic number.

17042090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

17042090 is a deficient number, since it is larger than the sum of its proper divisors (16176550).

17042090 is a wasteful number, since it uses less digits than its factorization.

17042090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 17042090 is about 4128.2066324253. The cubic root of 17042090 is about 257.3401905308.

The spelling of 17042090 in words is "seventeen million, forty-two thousand, ninety".