717142 has 4 divisors (see below), whose sum is σ = 1075716. Its totient is φ = 358570.

The previous prime is 717139. The next prime is 717149. The reversal of 717142 is 241717.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (717149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 179284 + ... + 179287.

It is an arithmetic number, because the mean of its divisors is an integer number (268929).

2⁷¹⁷¹⁴² is an apocalyptic number.

717142 is a deficient number, since it is larger than the sum of its proper divisors (358574).

717142 is a wasteful number, since it uses less digits than its factorization.

717142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358573.

The product of its digits is 392, while the sum is 22.

The square root of 717142 is about 846.8423702201. The cubic root of 717142 is about 89.5093464226.

Adding to 717142 its reverse (241717), we get a palindrome (958859).

The spelling of 717142 in words is "seven hundred seventeen thousand, one hundred forty-two", and thus it is an iban number.