6420795 has 32 divisors (see below), whose sum is σ = 11031552. Its totient is φ = 3180672.

The previous prime is 6420787. The next prime is 6420809. The reversal of 6420795 is 5970246.

It is not a de Polignac number, because 6420795 - 2³ = 6420787 is a prime.

6420795 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12514 + ... + 13016.

It is an arithmetic number, because the mean of its divisors is an integer number (344736).

Almost surely, 2^6420795 is an apocalyptic number.

6420795 is a deficient number, since it is larger than the sum of its proper divisors (4610757).

6420795 is a wasteful number, since it uses less digits than its factorization.

6420795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 6420795 is about 2533.9287677439. The cubic root of 6420795 is about 185.8644231110.

The spelling of 6420795 in words is "six million, four hundred twenty thousand, seven hundred ninety-five".