7042918 has 8 divisors (see below), whose sum is σ = 10577520. Its totient is φ = 3517080.

The previous prime is 7042907. The next prime is 7042933. The reversal of 7042918 is 8192407.

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

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 7042918.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 463 + ... + 3781.

It is an arithmetic number, because the mean of its divisors is an integer number (1322190).

Almost surely, 2^7042918 is an apocalyptic number.

7042918 is a deficient number, since it is larger than the sum of its proper divisors (3534602).

7042918 is a wasteful number, since it uses less digits than its factorization.

7042918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4382.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 7042918 is about 2653.8496566309. The cubic root of 7042918 is about 191.6832704793.

The spelling of 7042918 in words is "seven million, forty-two thousand, nine hundred eighteen".