17797042 has 4 divisors (see below), whose sum is σ = 26695566. Its totient is φ = 8898520.

The previous prime is 17797033. The next prime is 17797057. The reversal of 17797042 is 24079771.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24079771 = 1741 ⋅13831.

It can be written as a sum of positive squares in only one way, i.e., 14145121 + 3651921 = 3761^2 + 1911^2 .

It is a junction number, because it is equal to n+sod(n) for n = 17796992 and 17797010.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4449259 + ... + 4449262.

Almost surely, 2^17797042 is an apocalyptic number.

17797042 is a deficient number, since it is larger than the sum of its proper divisors (8898524).

17797042 is an equidigital number, since it uses as much as digits as its factorization.

17797042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8898523.

The product of its (nonzero) digits is 24696, while the sum is 37.

The square root of 17797042 is about 4218.6540507607. The cubic root of 17797042 is about 261.0854131476.

The spelling of 17797042 in words is "seventeen million, seven hundred ninety-seven thousand, forty-two".