7042993 has 2 divisors, whose sum is σ = 7042994. Its totient is φ = 7042992.

The previous prime is 7042961. The next prime is 7043017. The reversal of 7042993 is 3992407.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4460544 + 2582449 = 2112^2 + 1607^2 .

It is an emirp because it is prime and its reverse (3992407) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7042993 - 2⁵ = 7042961 is a prime.

It is not a weakly prime, because it can be changed into another prime (7042933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3521496 + 3521497.

It is an arithmetic number, because the mean of its divisors is an integer number (3521497).

Almost surely, 2^7042993 is an apocalyptic number.

It is an amenable number.

7042993 is a deficient number, since it is larger than the sum of its proper divisors (1).

7042993 is an equidigital number, since it uses as much as digits as its factorization.

7042993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 7042993 is about 2653.8637870094. The cubic root of 7042993 is about 191.6839508883.

The spelling of 7042993 in words is "seven million, forty-two thousand, nine hundred ninety-three".