6745949 has 4 divisors (see below), whose sum is σ = 7709664. Its totient is φ = 5782236.

The previous prime is 6745943. The next prime is 6745961. The reversal of 6745949 is 9495476.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6745949 - 2¹² = 6741853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6745943) 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, 481847 + ... + 481860.

It is an arithmetic number, because the mean of its divisors is an integer number (1927416).

Almost surely, 2^6745949 is an apocalyptic number.

It is an amenable number.

6745949 is a deficient number, since it is larger than the sum of its proper divisors (963715).

6745949 is an equidigital number, since it uses as much as digits as its factorization.

6745949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963714.

The product of its digits is 272160, while the sum is 44.

The square root of 6745949 is about 2597.2964790335. The cubic root of 6745949 is about 188.9503429542.

The spelling of 6745949 in words is "six million, seven hundred forty-five thousand, nine hundred forty-nine".