6665002 has 4 divisors (see below), whose sum is σ = 9997506. Its totient is φ = 3332500.

The previous prime is 6664997. The next prime is 6665011. The reversal of 6665002 is 2005666.

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

It can be written as a sum of positive squares in only one way, i.e., 4447881 + 2217121 = 2109^2 + 1489^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1666249 + ... + 1666252.

Almost surely, 2^6665002 is an apocalyptic number.

6665002 is a deficient number, since it is larger than the sum of its proper divisors (3332504).

6665002 is a wasteful number, since it uses less digits than its factorization.

6665002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3332503.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 6665002 is about 2581.6665160318. Note that the first 3 decimals coincide. The cubic root of 6665002 is about 188.1915393591.

The spelling of 6665002 in words is "six million, six hundred sixty-five thousand, two".