6909079744 has 112 divisors (see below), whose sum is σ = 16720921600. Its totient is φ = 2766514176.

The previous prime is 6909079717. The next prime is 6909079861. The reversal of 6909079744 is 4479709096.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×6909079744² = 95470765817902211072, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 615817 + ... + 626935.

Almost surely, 2^6909079744 is an apocalyptic number.

6909079744 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6909079744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8360460800).

6909079744 is an abundant number, since it is smaller than the sum of its proper divisors (9811841856).

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

6909079744 is a wasteful number, since it uses less digits than its factorization.

6909079744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11230 (or 11220 counting only the distinct ones).

The product of its (nonzero) digits is 3429216, while the sum is 55.

The square root of 6909079744 is about 83120.8742976155. The cubic root of 6909079744 is about 1904.6129596746.

The spelling of 6909079744 in words is "six billion, nine hundred nine million, seventy-nine thousand, seven hundred forty-four".