7065987 has 4 divisors (see below), whose sum is σ = 9421320. Its totient is φ = 4710656.

The previous prime is 7065983. The next prime is 7066019. The reversal of 7065987 is 7895607.

7065987 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 7065987 - 2² = 7065983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7065983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1177662 + ... + 1177667.

It is an arithmetic number, because the mean of its divisors is an integer number (2355330).

Almost surely, 2^7065987 is an apocalyptic number.

7065987 is a deficient number, since it is larger than the sum of its proper divisors (2355333).

7065987 is a wasteful number, since it uses less digits than its factorization.

7065987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2355332.

The product of its (nonzero) digits is 105840, while the sum is 42.

The square root of 7065987 is about 2658.1924309575. The cubic root of 7065987 is about 191.8923278674.

The spelling of 7065987 in words is "seven million, sixty-five thousand, nine hundred eighty-seven".