5306757720 has 128 divisors (see below), whose sum is σ = 17577181440. Its totient is φ = 1270960640.

The previous prime is 5306757679. The next prime is 5306757721. The reversal of 5306757720 is 277576035.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5306757721) 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, 85342 + ... + 133778.

It is an arithmetic number, because the mean of its divisors is an integer number (137321730).

Almost surely, 2^5306757720 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 5306757720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8788590720).

5306757720 is an abundant number, since it is smaller than the sum of its proper divisors (12270423720).

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

5306757720 is a wasteful number, since it uses less digits than its factorization.

5306757720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48545 (or 48541 counting only the distinct ones).

The product of its (nonzero) digits is 308700, while the sum is 42.

The square root of 5306757720 is about 72847.4963193657. The cubic root of 5306757720 is about 1744.2541038650.

The spelling of 5306757720 in words is "five billion, three hundred six million, seven hundred fifty-seven thousand, seven hundred twenty".