6710739021 has 24 divisors (see below), whose sum is σ = 11234081664. Its totient is φ = 3780695520.

The previous prime is 6710738999. The next prime is 6710739031. The reversal of 6710739021 is 1209370176.

It is a happy number.

It is not a de Polignac number, because 6710739021 - 2⁵ = 6710738989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6710739031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 745666 + ... + 754611.

It is an arithmetic number, because the mean of its divisors is an integer number (468086736).

Almost surely, 2^6710739021 is an apocalyptic number.

It is an amenable number.

6710739021 is a deficient number, since it is larger than the sum of its proper divisors (4523342643).

6710739021 is a wasteful number, since it uses less digits than its factorization.

6710739021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500361 (or 1500358 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 36.

The square root of 6710739021 is about 81919.1004650320. The cubic root of 6710739021 is about 1886.2103192988.

The spelling of 6710739021 in words is "six billion, seven hundred ten million, seven hundred thirty-nine thousand, twenty-one".