7956142 has 4 divisors (see below), whose sum is σ = 11934216. Its totient is φ = 3978070.

The previous prime is 7956139. The next prime is 7956149. The reversal of 7956142 is 2416597.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 7956098 and 7956107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7956149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1989034 + ... + 1989037.

It is an arithmetic number, because the mean of its divisors is an integer number (2983554).

Almost surely, 2^7956142 is an apocalyptic number.

7956142 is a deficient number, since it is larger than the sum of its proper divisors (3978074).

7956142 is a wasteful number, since it uses less digits than its factorization.

7956142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3978073.

The product of its digits is 15120, while the sum is 34.

The square root of 7956142 is about 2820.6633971461. The cubic root of 7956142 is about 199.6338467347.

The spelling of 7956142 in words is "seven million, nine hundred fifty-six thousand, one hundred forty-two".