7660042 has 16 divisors (see below), whose sum is σ = 12500712. Its totient is φ = 3499200.

The previous prime is 7660039. The next prime is 7660057. The reversal of 7660042 is 2400667.

It can be written as a sum of positive squares in 4 ways, for example, as 7612081 + 47961 = 2759^2 + 219^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7659989 and 7660016.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1168 + ... + 4084.

Almost surely, 2^7660042 is an apocalyptic number.

7660042 is a deficient number, since it is larger than the sum of its proper divisors (4840670).

7660042 is a wasteful number, since it uses less digits than its factorization.

7660042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3033.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 7660042 is about 2767.6780882176. The cubic root of 7660042 is about 197.1259126173.

The spelling of 7660042 in words is "seven million, six hundred sixty thousand, forty-two".