6801945 has 16 divisors (see below), whose sum is σ = 10916160. Its totient is φ = 3616704.

The previous prime is 6801937. The next prime is 6801947. The reversal of 6801945 is 5491086.

It is not a de Polignac number, because 6801945 - 2³ = 6801937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6801947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7791 + ... + 8619.

It is an arithmetic number, because the mean of its divisors is an integer number (682260).

Almost surely, 2^6801945 is an apocalyptic number.

It is an amenable number.

6801945 is a deficient number, since it is larger than the sum of its proper divisors (4114215).

6801945 is a wasteful number, since it uses less digits than its factorization.

6801945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1384.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 6801945 is about 2608.0538721430. The cubic root of 6801945 is about 189.4717088204.

The spelling of 6801945 in words is "six million, eight hundred one thousand, nine hundred forty-five".