7142797 has 4 divisors (see below), whose sum is σ = 7157340. Its totient is φ = 7128256.

The previous prime is 7142791. The next prime is 7142809. The reversal of 7142797 is 7972417.

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 3218436 + 3924361 = 1794^2 + 1981^2 .

It is a cyclic number.

It is not a de Polignac number, because 7142797 - 2¹⁹ = 6618509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7142791) 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, 6508 + ... + 7525.

It is an arithmetic number, because the mean of its divisors is an integer number (1789335).

Almost surely, 2^7142797 is an apocalyptic number.

It is an amenable number.

7142797 is a deficient number, since it is larger than the sum of its proper divisors (14543).

7142797 is a wasteful number, since it uses less digits than its factorization.

7142797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14542.

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

The square root of 7142797 is about 2672.6011674023. The cubic root of 7142797 is about 192.5851380301.

The spelling of 7142797 in words is "seven million, one hundred forty-two thousand, seven hundred ninety-seven".