7942937 has 4 divisors (see below), whose sum is σ = 7970340. Its totient is φ = 7915536.

The previous prime is 7942919. The next prime is 7942967. The reversal of 7942937 is 7392497.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7392497 = 7 ⋅1056071.

It can be written as a sum of positive squares in 2 ways, for example, as 5331481 + 2611456 = 2309^2 + 1616^2 .

It is a cyclic number.

It is not a de Polignac number, because 7942937 - 2⁸ = 7942681 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7942894 and 7942903.

It is not an unprimeable number, because it can be changed into a prime (7942967) 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, 13262 + ... + 13847.

It is an arithmetic number, because the mean of its divisors is an integer number (1992585).

Almost surely, 2^7942937 is an apocalyptic number.

It is an amenable number.

7942937 is a deficient number, since it is larger than the sum of its proper divisors (27403).

7942937 is a wasteful number, since it uses less digits than its factorization.

7942937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27402.

The product of its digits is 95256, while the sum is 41.

The square root of 7942937 is about 2818.3216636857. The cubic root of 7942937 is about 199.5233398781.

The spelling of 7942937 in words is "seven million, nine hundred forty-two thousand, nine hundred thirty-seven".