6842720132 has 12 divisors (see below), whose sum is σ = 12003206796. Its totient is φ = 3413232480.

The previous prime is 6842720123. The next prime is 6842720149. The reversal of 6842720132 is 2310272486.

It can be written as a sum of positive squares in 2 ways, for example, as 363436096 + 6479284036 = 19064^2 + 80494^2 .

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 6842720092 and 6842720101.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2030003 + ... + 2033370.

It is an arithmetic number, because the mean of its divisors is an integer number (1000267233).

Almost surely, 2^6842720132 is an apocalyptic number.

It is an amenable number.

6842720132 is a deficient number, since it is larger than the sum of its proper divisors (5160486664).

6842720132 is a wasteful number, since it uses less digits than its factorization.

6842720132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4063798 (or 4063796 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 6842720132 is about 82720.7358042710. The cubic root of 6842720132 is about 1898.4955895545.

The spelling of 6842720132 in words is "six billion, eight hundred forty-two million, seven hundred twenty thousand, one hundred thirty-two".