6736491 has 6 divisors (see below), whose sum is σ = 9730500. Its totient is φ = 4490988.

The previous prime is 6736489. The next prime is 6736511. The reversal of 6736491 is 1946376.

6736491 is a `hidden beast` number, since 6 + 7 + 3 + 649 + 1 = 666.

It is not a de Polignac number, because 6736491 - 2¹ = 6736489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6736441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 374241 + ... + 374258.

It is an arithmetic number, because the mean of its divisors is an integer number (1621750).

Almost surely, 2^6736491 is an apocalyptic number.

6736491 is a deficient number, since it is larger than the sum of its proper divisors (2994009).

6736491 is a wasteful number, since it uses less digits than its factorization.

6736491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748505 (or 748502 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 6736491 is about 2595.4751010172. The cubic root of 6736491 is about 188.8619971841.

It can be divided in two parts, 6736 and 491, that added together give a palindrome (7227).

The spelling of 6736491 in words is "six million, seven hundred thirty-six thousand, four hundred ninety-one".