6749125 has 8 divisors (see below), whose sum is σ = 8423064. Its totient is φ = 5399200.

The previous prime is 6749117. The next prime is 6749129. The reversal of 6749125 is 5219476.

It can be written as a sum of positive squares in 4 ways, for example, as 103041 + 6646084 = 321^2 + 2578^2 .

It is not a de Polignac number, because 6749125 - 2³ = 6749117 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6749129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26872 + ... + 27121.

It is an arithmetic number, because the mean of its divisors is an integer number (1052883).

Almost surely, 2^6749125 is an apocalyptic number.

It is an amenable number.

6749125 is a deficient number, since it is larger than the sum of its proper divisors (1673939).

6749125 is an equidigital number, since it uses as much as digits as its factorization.

6749125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54008 (or 53998 counting only the distinct ones).

The product of its digits is 15120, while the sum is 34.

The square root of 6749125 is about 2597.9078120672. The cubic root of 6749125 is about 188.9799909764.

The spelling of 6749125 in words is "six million, seven hundred forty-nine thousand, one hundred twenty-five".