7842293 has 2 divisors, whose sum is σ = 7842294. Its totient is φ = 7842292.

The previous prime is 7842281. The next prime is 7842299. The reversal of 7842293 is 3922487.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5414929 + 2427364 = 2327^2 + 1558^2 .

It is an emirp because it is prime and its reverse (3922487) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7842293 - 2⁴ = 7842277 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7842299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3921146 + 3921147.

It is an arithmetic number, because the mean of its divisors is an integer number (3921147).

Almost surely, 2^7842293 is an apocalyptic number.

It is an amenable number.

7842293 is a deficient number, since it is larger than the sum of its proper divisors (1).

7842293 is an equidigital number, since it uses as much as digits as its factorization.

7842293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 35.

The square root of 7842293 is about 2800.4094343506. The cubic root of 7842293 is about 198.6770432223.

The spelling of 7842293 in words is "seven million, eight hundred forty-two thousand, two hundred ninety-three".