7874842 has 8 divisors (see below), whose sum is σ = 12507156. Its totient is φ = 3705792.

The previous prime is 7874827. The next prime is 7874849. The reversal of 7874842 is 2484787.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7845601 + 29241 = 2801^2 + 171^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 7874795 and 7874804.

It is not an unprimeable number, because it can be changed into a prime (7874849) 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, 115773 + ... + 115840.

Almost surely, 2^7874842 is an apocalyptic number.

7874842 is a deficient number, since it is larger than the sum of its proper divisors (4632314).

7874842 is a wasteful number, since it uses less digits than its factorization.

7874842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231632.

The product of its digits is 100352, while the sum is 40.

The square root of 7874842 is about 2806.2148884218. The cubic root of 7874842 is about 198.9515298229.

The spelling of 7874842 in words is "seven million, eight hundred seventy-four thousand, eight hundred forty-two".