6740745 has 16 divisors (see below), whose sum is σ = 11765952. Its totient is φ = 3268160.

The previous prime is 6740743. The next prime is 6740759. The reversal of 6740745 is 5470476.

It is not a de Polignac number, because 6740745 - 2¹ = 6740743 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (6740743) 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, 20262 + ... + 20591.

It is an arithmetic number, because the mean of its divisors is an integer number (735372).

Almost surely, 2^6740745 is an apocalyptic number.

It is an amenable number.

6740745 is a deficient number, since it is larger than the sum of its proper divisors (5025207).

6740745 is a wasteful number, since it uses less digits than its factorization.

6740745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40872.

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 6740745 is about 2596.2944748237. The cubic root of 6740745 is about 188.9017433902.

Adding to 6740745 its reverse (5470476), we get a palindrome (12211221).

The spelling of 6740745 in words is "six million, seven hundred forty thousand, seven hundred forty-five".