6745087 has 4 divisors (see below), whose sum is σ = 6754216. Its totient is φ = 6735960.

The previous prime is 6745069. The next prime is 6745121. The reversal of 6745087 is 7805476.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6745087 is a prime.

It is a Duffinian number.

6745087 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6745027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3348 + ... + 4969.

It is an arithmetic number, because the mean of its divisors is an integer number (1688554).

Almost surely, 2^6745087 is an apocalyptic number.

6745087 is a deficient number, since it is larger than the sum of its proper divisors (9129).

6745087 is an equidigital number, since it uses as much as digits as its factorization.

6745087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9128.

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 6745087 is about 2597.1305319525. The cubic root of 6745087 is about 188.9422945618.

It can be divided in two parts, 67 and 45087, that added together give a palindrome (45154).

The spelling of 6745087 in words is "six million, seven hundred forty-five thousand, eighty-seven".