6749145 has 48 divisors (see below), whose sum is σ = 12841920. Its totient is φ = 3259008.

The previous prime is 6749131. The next prime is 6749159. The reversal of 6749145 is 5419476.

It is an interprime number because it is at equal distance from previous prime (6749131) and next prime (6749159).

It is not a de Polignac number, because 6749145 - 2⁴ = 6749129 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 48486 + ... + 48624.

It is an arithmetic number, because the mean of its divisors is an integer number (267540).

Almost surely, 2^6749145 is an apocalyptic number.

6749145 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6749145 is a deficient number, since it is larger than the sum of its proper divisors (6092775).

6749145 is a wasteful number, since it uses less digits than its factorization.

6749145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246 (or 243 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 6749145 is about 2597.9116613157. The cubic root of 6749145 is about 188.9801776473.

The spelling of 6749145 in words is "six million, seven hundred forty-nine thousand, one hundred forty-five".