7142917 has 8 divisors (see below), whose sum is σ = 7643360. Its totient is φ = 6654960.

The previous prime is 7142909. The next prime is 7142923. The reversal of 7142917 is 7192417.

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 7142917 - 2³ = 7142909 is a prime.

It is a Duffinian number.

It is a zygodrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7142957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1923 + ... + 4240.

It is an arithmetic number, because the mean of its divisors is an integer number (955420).

Almost surely, 2^7142917 is an apocalyptic number.

It is an amenable number.

7142917 is a deficient number, since it is larger than the sum of its proper divisors (500443).

7142917 is a wasteful number, since it uses less digits than its factorization.

7142917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6243.

The product of its digits is 3528, while the sum is 31.

The square root of 7142917 is about 2672.6236173468. The cubic root of 7142917 is about 192.5862165099.

The spelling of 7142917 in words is "seven million, one hundred forty-two thousand, nine hundred seventeen".