7073989 has 8 divisors (see below), whose sum is σ = 8066520. Its totient is φ = 6145536.

The previous prime is 7073981. The next prime is 7074013. The reversal of 7073989 is 9893707.

It can be written as a sum of positive squares in 4 ways, for example, as 9025 + 7064964 = 95^2 + 2658^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 7073989 - 2³ = 7073981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7073981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15784 + ... + 16225.

It is an arithmetic number, because the mean of its divisors is an integer number (1008315).

Almost surely, 2^7073989 is an apocalyptic number.

It is an amenable number.

7073989 is a deficient number, since it is larger than the sum of its proper divisors (992531).

7073989 is a wasteful number, since it uses less digits than its factorization.

7073989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32039.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 7073989 is about 2659.6971632124. The cubic root of 7073989 is about 191.9647378095.

The spelling of 7073989 in words is "seven million, seventy-three thousand, nine hundred eighty-nine".