242670017 has 4 divisors (see below), whose sum is σ = 246648276. Its totient is φ = 238691760.

The previous prime is 242670007. The next prime is 242670023. The reversal of 242670017 is 710076242.

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 65141041 + 177528976 = 8071^2 + 13324^2 .

It is a cyclic number.

It is not a de Polignac number, because 242670017 - 2⁸ = 242669761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242670007) 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, 1989038 + ... + 1989159.

It is an arithmetic number, because the mean of its divisors is an integer number (61662069).

Almost surely, 2^242670017 is an apocalyptic number.

It is an amenable number.

242670017 is a deficient number, since it is larger than the sum of its proper divisors (3978259).

242670017 is an equidigital number, since it uses as much as digits as its factorization.

242670017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3978258.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 242670017 is about 15577.8694627988. The cubic root of 242670017 is about 623.7425529932.

The spelling of 242670017 in words is "two hundred forty-two million, six hundred seventy thousand, seventeen".