6739493 has 6 divisors (see below), whose sum is σ = 6964902. Its totient is φ = 6521160.

The previous prime is 6739487. The next prime is 6739501. The reversal of 6739493 is 3949376.

It can be written as a sum of positive squares in only one way, i.e., 6461764 + 277729 = 2542^2 + 527^2 .

It is not a de Polignac number, because 6739493 - 2⁴ = 6739477 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6739493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6739423) 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, 2546 + ... + 4467.

It is an arithmetic number, because the mean of its divisors is an integer number (1160817).

Almost surely, 2^6739493 is an apocalyptic number.

It is an amenable number.

6739493 is a deficient number, since it is larger than the sum of its proper divisors (225409).

6739493 is an equidigital number, since it uses as much as digits as its factorization.

6739493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7075 (or 7044 counting only the distinct ones).

The product of its digits is 122472, while the sum is 41.

The square root of 6739493 is about 2596.0533507615. The cubic root of 6739493 is about 188.8900473721.

The spelling of 6739493 in words is "six million, seven hundred thirty-nine thousand, four hundred ninety-three".