17690053 has 4 divisors (see below), whose sum is σ = 17707788. Its totient is φ = 17672320.

The previous prime is 17690027. The next prime is 17690069. The reversal of 17690053 is 35009671.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14424804 + 3265249 = 3798^2 + 1807^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17690053 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 17689997 and 17690024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17690003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7276 + ... + 9397.

It is an arithmetic number, because the mean of its divisors is an integer number (4426947).

Almost surely, 2^17690053 is an apocalyptic number.

It is an amenable number.

17690053 is a deficient number, since it is larger than the sum of its proper divisors (17735).

17690053 is a wasteful number, since it uses less digits than its factorization.

17690053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17734.

The product of its (nonzero) digits is 5670, while the sum is 31.

The square root of 17690053 is about 4205.9544695586. The cubic root of 17690053 is about 260.5611794076.

The spelling of 17690053 in words is "seventeen million, six hundred ninety thousand, fifty-three".