6740602491 has 16 divisors (see below), whose sum is σ = 10317461504. Its totient is φ = 3834497664.

The previous prime is 6740602457. The next prime is 6740602537. The reversal of 6740602491 is 1942060476.

It is a happy number.

It is not a de Polignac number, because 6740602491 - 2²⁶ = 6673493627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6740602411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 715006 + ... + 724371.

It is an arithmetic number, because the mean of its divisors is an integer number (644841344).

Almost surely, 2^6740602491 is an apocalyptic number.

6740602491 is a deficient number, since it is larger than the sum of its proper divisors (3576859013).

6740602491 is a wasteful number, since it uses less digits than its factorization.

6740602491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1439610.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 6740602491 is about 82101.1722876111. The cubic root of 6740602491 is about 1889.0041216307.

The spelling of 6740602491 in words is "six billion, seven hundred forty million, six hundred two thousand, four hundred ninety-one".