6738679136 has 36 divisors (see below), whose sum is σ = 15432782148. Its totient is φ = 2888004672.

The previous prime is 6738679109. The next prime is 6738679141. The reversal of 6738679136 is 6319768376.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2147246 + ... + 2150381.

It is an arithmetic number, because the mean of its divisors is an integer number (428688393).

Almost surely, 2^6738679136 is an apocalyptic number.

It is an amenable number.

6738679136 is an abundant number, since it is smaller than the sum of its proper divisors (8694103012).

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

6738679136 is a wasteful number, since it uses less digits than its factorization.

6738679136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4297651 (or 4297636 counting only the distinct ones).

The product of its digits is 6858432, while the sum is 56.

The square root of 6738679136 is about 82089.4581295309. The cubic root of 6738679136 is about 1888.8244358559.

The spelling of 6738679136 in words is "six billion, seven hundred thirty-eight million, six hundred seventy-nine thousand, one hundred thirty-six".