6780002 has 8 divisors (see below), whose sum is σ = 10186176. Its totient is φ = 3384612.

The previous prime is 6779999. The next prime is 6780013. The reversal of 6780002 is 2000876.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 6780002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 878 + ... + 3785.

It is an arithmetic number, because the mean of its divisors is an integer number (1273272).

Almost surely, 2^6780002 is an apocalyptic number.

6780002 is a deficient number, since it is larger than the sum of its proper divisors (3406174).

6780002 is a wasteful number, since it uses less digits than its factorization.

6780002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5392.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 6780002 is about 2603.8436973060. The cubic root of 6780002 is about 189.2677447825.

Adding to 6780002 its reverse (2000876), we get a palindrome (8780878).

The spelling of 6780002 in words is "six million, seven hundred eighty thousand, two".