7040687 has 2 divisors, whose sum is σ = 7040688. Its totient is φ = 7040686.

The previous prime is 7040653. The next prime is 7040711. The reversal of 7040687 is 7860407.

It is a strong prime.

It is an emirp because it is prime and its reverse (7860407) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7040687 - 2⁶ = 7040623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7040287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3520343 + 3520344.

It is an arithmetic number, because the mean of its divisors is an integer number (3520344).

Almost surely, 2^7040687 is an apocalyptic number.

7040687 is a deficient number, since it is larger than the sum of its proper divisors (1).

7040687 is an equidigital number, since it uses as much as digits as its factorization.

7040687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 7040687 is about 2653.4292905597. The cubic root of 7040687 is about 191.6630283703.

The spelling of 7040687 in words is "seven million, forty thousand, six hundred eighty-seven".