7002009 has 12 divisors (see below), whose sum is σ = 11558976. Its totient is φ = 4001112.

The previous prime is 7001999. The next prime is 7002019. The reversal of 7002009 is 9002007.

It is an interprime number because it is at equal distance from previous prime (7001999) and next prime (7002019).

It is not a de Polignac number, because 7002009 - 2¹⁶ = 6936473 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7001982 and 7002000.

It is not an unprimeable number, because it can be changed into a prime (7002019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55509 + ... + 55634.

It is an arithmetic number, because the mean of its divisors is an integer number (963248).

Almost surely, 2^7002009 is an apocalyptic number.

It is an amenable number.

7002009 is a deficient number, since it is larger than the sum of its proper divisors (4556967).

7002009 is a wasteful number, since it uses less digits than its factorization.

7002009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111156 (or 111153 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

The square root of 7002009 is about 2646.1309491407. The cubic root of 7002009 is about 191.3114169018.

The spelling of 7002009 in words is "seven million, two thousand, nine".