6749594136 has 32 divisors (see below), whose sum is σ = 18748873200. Its totient is φ = 2249864640.

The previous prime is 6749594129. The next prime is 6749594141. The reversal of 6749594136 is 6314959476.

6749594136 is a `hidden beast` number, since 6 + 7 + 49 + 594 + 1 + 3 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 15623845 + ... + 15624276.

Almost surely, 2^6749594136 is an apocalyptic number.

It is an amenable number.

6749594136 is an abundant number, since it is smaller than the sum of its proper divisors (11999279064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6749594136 is a wasteful number, since it uses less digits than its factorization.

6749594136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31248136 (or 31248126 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 54.

The square root of 6749594136 is about 82155.9135789993. The cubic root of 6749594136 is about 1889.8436958167.

The spelling of 6749594136 in words is "six billion, seven hundred forty-nine million, five hundred ninety-four thousand, one hundred thirty-six".