1742117 has 8 divisors (see below), whose sum is σ = 1941240. Its totient is φ = 1552320.

The previous prime is 1742101. The next prime is 1742161. The reversal of 1742117 is 7112471.

1742117 = 144² + 145² + ... + 201².

It can be written as a sum of positive squares in 4 ways, for example, as 36481 + 1705636 = 191^2 + 1306^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1742117 - 2⁴ = 1742101 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1742092 and 1742101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1742197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1934 + ... + 2687.

It is an arithmetic number, because the mean of its divisors is an integer number (242655).

2^1742117 is an apocalyptic number.

It is an amenable number.

1742117 is a deficient number, since it is larger than the sum of its proper divisors (199123).

1742117 is a wasteful number, since it uses less digits than its factorization.

1742117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4663.

The product of its digits is 392, while the sum is 23.

The square root of 1742117 is about 1319.8927986772. The cubic root of 1742117 is about 120.3258965349.

Adding to 1742117 its reverse (7112471), we get a palindrome (8854588).

The spelling of 1742117 in words is "one million, seven hundred forty-two thousand, one hundred seventeen".