7016689 has 4 divisors (see below), whose sum is σ = 7089124. Its totient is φ = 6944256.

The previous prime is 7016683. The next prime is 7016731. The reversal of 7016689 is 9866107.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2585664 + 4431025 = 1608^2 + 2105^2 .

It is a cyclic number.

It is not a de Polignac number, because 7016689 - 2⁷ = 7016561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7016683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36072 + ... + 36265.

It is an arithmetic number, because the mean of its divisors is an integer number (1772281).

Almost surely, 2^7016689 is an apocalyptic number.

It is an amenable number.

7016689 is a deficient number, since it is larger than the sum of its proper divisors (72435).

7016689 is an equidigital number, since it uses as much as digits as its factorization.

7016689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72434.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 7016689 is about 2648.9033579955. The cubic root of 7016689 is about 191.4450209957.

The spelling of 7016689 in words is "seven million, sixteen thousand, six hundred eighty-nine".