6739213 has 6 divisors (see below), whose sum is σ = 7297674. Its totient is φ = 6220656.

The previous prime is 6739199. The next prime is 6739231. The reversal of 6739213 is 3129376.

It can be written as a sum of positive squares in 3 ways, for example, as 252004 + 6487209 = 502^2 + 2547^2 .

It is not a de Polignac number, because 6739213 - 2¹⁷ = 6608141 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 (6739273) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19770 + ... + 20107.

It is an arithmetic number, because the mean of its divisors is an integer number (1216279).

Almost surely, 2^6739213 is an apocalyptic number.

It is an amenable number.

6739213 is a deficient number, since it is larger than the sum of its proper divisors (558461).

6739213 is a wasteful number, since it uses less digits than its factorization.

6739213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39903 (or 39890 counting only the distinct ones).

The product of its digits is 6804, while the sum is 31.

The square root of 6739213 is about 2595.9994221879. Note that the first 3 decimals coincide. The cubic root of 6739213 is about 188.8874314510.

It can be divided in two parts, 67392 and 13, that multiplied together give a square (876096 = 936²).

The spelling of 6739213 in words is "six million, seven hundred thirty-nine thousand, two hundred thirteen".