7040689 has 8 divisors (see below), whose sum is σ = 7299072. Its totient is φ = 6784320.

The previous prime is 7040687. The next prime is 7040711. The reversal of 7040689 is 9860407.

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 7040689 - 2¹ = 7040687 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7040687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11577 + ... + 12169.

It is an arithmetic number, because the mean of its divisors is an integer number (912384).

Almost surely, 2^7040689 is an apocalyptic number.

It is an amenable number.

7040689 is a deficient number, since it is larger than the sum of its proper divisors (258383).

7040689 is a wasteful number, since it uses less digits than its factorization.

7040689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 7040689 is about 2653.4296674304. The cubic root of 7040689 is about 191.6630465185.

The spelling of 7040689 in words is "seven million, forty thousand, six hundred eighty-nine".