5235705720 has 384 divisors, whose sum is σ = 20141447040. Its totient is φ = 1154580480.

The previous prime is 5235705707. The next prime is 5235705743. The reversal of 5235705720 is 275075325.

It is a happy number.

5235705720 is a `hidden beast` number, since 52 + 35 + 7 + 0 + 572 + 0 = 666.

It is a super-2 number, since 2×5235705720² = 54825228772881436800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 21724800 + ... + 21725040.

It is an arithmetic number, because the mean of its divisors is an integer number (52451685).

Almost surely, 2^5235705720 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 5235705720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10070723520).

5235705720 is an abundant number, since it is smaller than the sum of its proper divisors (14905741320).

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

5235705720 is a wasteful number, since it uses less digits than its factorization.

5235705720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535 (or 528 counting only the distinct ones).

The product of its (nonzero) digits is 73500, while the sum is 36.

The square root of 5235705720 is about 72358.1765939413. The cubic root of 5235705720 is about 1736.4345141463.

The spelling of 5235705720 in words is "five billion, two hundred thirty-five million, seven hundred five thousand, seven hundred twenty".