7942255 has 4 divisors (see below), whose sum is σ = 9530712. Its totient is φ = 6353800.

The previous prime is 7942243. The next prime is 7942267. The reversal of 7942255 is 5522497.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5522497 = 359 ⋅15383.

It is an interprime number because it is at equal distance from previous prime (7942243) and next prime (7942267).

It is not a de Polignac number, because 7942255 - 2⁵ = 7942223 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7942255.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 794221 + ... + 794230.

It is an arithmetic number, because the mean of its divisors is an integer number (2382678).

Almost surely, 2^7942255 is an apocalyptic number.

7942255 is a deficient number, since it is larger than the sum of its proper divisors (1588457).

7942255 is a wasteful number, since it uses less digits than its factorization.

7942255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1588456.

The product of its digits is 25200, while the sum is 34.

The square root of 7942255 is about 2818.2006670924. The cubic root of 7942255 is about 199.5176291940.

The spelling of 7942255 in words is "seven million, nine hundred forty-two thousand, two hundred fifty-five".