5306667720 has 128 divisors (see below), whose sum is σ = 16492896000. Its totient is φ = 1364971520.

The previous prime is 5306667713. The next prime is 5306667721. The reversal of 5306667720 is 277666035.

It is not an unprimeable number, because it can be changed into a prime (5306667721) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 431821 + ... + 443939.

It is an arithmetic number, because the mean of its divisors is an integer number (128850750).

Almost surely, 2^5306667720 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5306667720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8246448000).

5306667720 is an abundant number, since it is smaller than the sum of its proper divisors (11186228280).

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

5306667720 is a wasteful number, since it uses less digits than its factorization.

5306667720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12263 (or 12259 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 42.

The square root of 5306667720 is about 72846.8785878983. The cubic root of 5306667720 is about 1744.2442432455.

It can be divided in two parts, 53066 and 67720, that added together give a triangular number (120786 = T₄₉₁).

The spelling of 5306667720 in words is "five billion, three hundred six million, six hundred sixty-seven thousand, seven hundred twenty".