6722856130 has 8 divisors (see below), whose sum is σ = 12101141052. Its totient is φ = 2689142448.

The previous prime is 6722856121. The next prime is 6722856131. The reversal of 6722856130 is 316582276.

It can be written as a sum of positive squares in 2 ways, for example, as 5450721241 + 1272134889 = 73829^2 + 35667^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (6722856131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 336142797 + ... + 336142816.

Almost surely, 2^6722856130 is an apocalyptic number.

6722856130 is a deficient number, since it is larger than the sum of its proper divisors (5378284922).

6722856130 is a wasteful number, since it uses less digits than its factorization.

6722856130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672285620.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 6722856130 is about 81993.0248862670. The cubic root of 6722856130 is about 1887.3449024204.

The spelling of 6722856130 in words is "six billion, seven hundred twenty-two million, eight hundred fifty-six thousand, one hundred thirty".