6713772780 has 384 divisors, whose sum is σ = 22824861696. Its totient is φ = 1453132800.

The previous prime is 6713772701. The next prime is 6713772799. The reversal of 6713772780 is 872773176.

It is a happy number.

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 127 ways as a sum of consecutive naturals, for example, 62745487 + ... + 62745593.

It is an arithmetic number, because the mean of its divisors is an integer number (59439744).

Almost surely, 2^6713772780 is an apocalyptic number.

6713772780 is a gapful number since it is divisible by the number (60) 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 6713772780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11412430848).

6713772780 is an abundant number, since it is smaller than the sum of its proper divisors (16111088916).

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

6713772780 is a wasteful number, since it uses less digits than its factorization.

6713772780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317 (or 315 counting only the distinct ones).

The product of its (nonzero) digits is 691488, while the sum is 48.

The square root of 6713772780 is about 81937.6151715438. The cubic root of 6713772780 is about 1886.4945128094.

The spelling of 6713772780 in words is "six billion, seven hundred thirteen million, seven hundred seventy-two thousand, seven hundred eighty".