5709700728 has 96 divisors (see below), whose sum is σ = 16036020000. Its totient is φ = 1833124608.

The previous prime is 5709700693. The next prime is 5709700741. The reversal of 5709700728 is 8270079075.

5709700728 is a `hidden beast` number, since 570 + 9 + 7 + 0 + 0 + 72 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 913518 + ... + 919746.

It is an arithmetic number, because the mean of its divisors is an integer number (167041875).

Almost surely, 2^5709700728 is an apocalyptic number.

5709700728 is a gapful number since it is divisible by the number (58) 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 5709700728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8018010000).

5709700728 is an abundant number, since it is smaller than the sum of its proper divisors (10326319272).

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

5709700728 is a wasteful number, since it uses less digits than its factorization.

5709700728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6709 (or 6702 counting only the distinct ones).

The product of its (nonzero) digits is 246960, while the sum is 45.

The square root of 5709700728 is about 75562.5616823570. The cubic root of 5709700728 is about 1787.3287797789.

The spelling of 5709700728 in words is "five billion, seven hundred nine million, seven hundred thousand, seven hundred twenty-eight".