6801745 has 4 divisors (see below), whose sum is σ = 8162100. Its totient is φ = 5441392.

The previous prime is 6801733. The next prime is 6801757. The reversal of 6801745 is 5471086.

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

It is an interprime number because it is at equal distance from previous prime (6801733) and next prime (6801757).

It can be written as a sum of positive squares in 2 ways, for example, as 2471184 + 4330561 = 1572^2 + 2081^2 .

It is a cyclic number.

It is not a de Polignac number, because 6801745 - 2⁵ = 6801713 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 680170 + ... + 680179.

It is an arithmetic number, because the mean of its divisors is an integer number (2040525).

Almost surely, 2^6801745 is an apocalyptic number.

It is an amenable number.

6801745 is a deficient number, since it is larger than the sum of its proper divisors (1360355).

6801745 is a wasteful number, since it uses less digits than its factorization.

6801745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1360354.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 6801745 is about 2608.0155290949. The cubic root of 6801745 is about 189.4698517676.

The spelling of 6801745 in words is "six million, eight hundred one thousand, seven hundred forty-five".