6714649 has 8 divisors (see below), whose sum is σ = 6942600. Its totient is φ = 6489216.

The previous prime is 6714647. The next prime is 6714671. The reversal of 6714649 is 9464176.

6714649 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 5322249 + 1392400 = 2307^2 + 1180^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6714649 - 2¹ = 6714647 is a prime.

It is a super-2 number, since 2×6714649² = 90173022386402, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

6714649 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6714647) 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, 5877 + ... + 6925.

It is an arithmetic number, because the mean of its divisors is an integer number (867825).

Almost surely, 2^6714649 is an apocalyptic number.

It is an amenable number.

6714649 is a deficient number, since it is larger than the sum of its proper divisors (227951).

6714649 is a wasteful number, since it uses less digits than its factorization.

6714649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259.

The product of its digits is 36288, while the sum is 37.

The square root of 6714649 is about 2591.2639772898. The cubic root of 6714649 is about 188.6576578555.

The spelling of 6714649 in words is "six million, seven hundred fourteen thousand, six hundred forty-nine".