7955242 has 4 divisors (see below), whose sum is σ = 11932866. Its totient is φ = 3977620.

The previous prime is 7955239. The next prime is 7955273. The reversal of 7955242 is 2425597.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2425597 = 19 ⋅127663.

It can be written as a sum of positive squares in only one way, i.e., 5202961 + 2752281 = 2281^2 + 1659^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7955198 and 7955207.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1988809 + ... + 1988812.

Almost surely, 2^7955242 is an apocalyptic number.

7955242 is a deficient number, since it is larger than the sum of its proper divisors (3977624).

7955242 is a wasteful number, since it uses less digits than its factorization.

7955242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3977623.

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

The square root of 7955242 is about 2820.5038556967. The cubic root of 7955242 is about 199.6263189137.

The spelling of 7955242 in words is "seven million, nine hundred fifty-five thousand, two hundred forty-two".