6747406740 has 72 divisors (see below), whose sum is σ = 20476834560. Its totient is φ = 1798455744.

The previous prime is 6747406727. The next prime is 6747406747. The reversal of 6747406740 is 476047476.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6747406747) 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 23 ways as a sum of consecutive naturals, for example, 432801 + ... + 448119.

It is an arithmetic number, because the mean of its divisors is an integer number (284400480).

Almost surely, 2^6747406740 is an apocalyptic number.

6747406740 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6747406740 is an abundant number, since it is smaller than the sum of its proper divisors (13729427820).

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

6747406740 is a wasteful number, since it uses less digits than its factorization.

6747406740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17781 (or 17776 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 45.

The square root of 6747406740 is about 82142.6000318958. The cubic root of 6747406740 is about 1889.6395214076.

The spelling of 6747406740 in words is "six billion, seven hundred forty-seven million, four hundred six thousand, seven hundred forty".