7042018 has 16 divisors (see below), whose sum is σ = 10815840. Its totient is φ = 3437856.

The previous prime is 7042001. The next prime is 7042031. The reversal of 7042018 is 8102407.

It is a self number, because there is not a number n which added to its sum of digits gives 7042018.

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, 20121 + ... + 20467.

It is an arithmetic number, because the mean of its divisors is an integer number (675990).

Almost surely, 2^7042018 is an apocalyptic number.

7042018 is a deficient number, since it is larger than the sum of its proper divisors (3773822).

7042018 is a wasteful number, since it uses less digits than its factorization.

7042018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 7042018 is about 2653.6800862199. The cubic root of 7042018 is about 191.6751051945.

The spelling of 7042018 in words is "seven million, forty-two thousand, eighteen".