6780075 has 12 divisors (see below), whose sum is σ = 11209848. Its totient is φ = 3616000.

The previous prime is 6780073. The next prime is 6780077. The reversal of 6780075 is 5700876.

It is an interprime number because it is at equal distance from previous prime (6780073) and next prime (6780077).

It is not a de Polignac number, because 6780075 - 2¹ = 6780073 is a prime.

6780075 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6780073) 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, 45126 + ... + 45275.

It is an arithmetic number, because the mean of its divisors is an integer number (934154).

Almost surely, 2^6780075 is an apocalyptic number.

6780075 is a deficient number, since it is larger than the sum of its proper divisors (4429773).

6780075 is a wasteful number, since it uses less digits than its factorization.

6780075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90414 (or 90409 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 6780075 is about 2603.8577150067. The cubic root of 6780075 is about 189.2684240594.

The spelling of 6780075 in words is "six million, seven hundred eighty thousand, seventy-five".