6706039680 has 128 divisors (see below), whose sum is σ = 23750618400. Its totient is φ = 1788272640.

The previous prime is 6706039679. The next prime is 6706039687. The reversal of 6706039680 is 869306076.

It is a tau number, because it is divible by the number of its divisors (128).

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 (6706039687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176761 + ... + 211320.

Almost surely, 2^6706039680 is an apocalyptic number.

6706039680 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6706039680 is an abundant number, since it is smaller than the sum of its proper divisors (17044578720).

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

6706039680 is a wasteful number, since it uses less digits than its factorization.

6706039680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388109 (or 388091 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 6706039680 is about 81890.4126256548. The cubic root of 6706039680 is about 1885.7699298810.

The spelling of 6706039680 in words is "six billion, seven hundred six million, thirty-nine thousand, six hundred eighty".