5217750756 has 45 divisors (see below), whose sum is σ = 13643631001. Its totient is φ = 1738816848.

The previous prime is 5217750751. The next prime is 5217750779. The reversal of 5217750756 is 6570577125.

It is a happy number.

The square root of 5217750756 is 72234.

It is a perfect power (a square), and thus also a powerful number.

5217750756 is a `hidden beast` number, since 5 + 21 + 77 + 507 + 56 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4375822500 + 841928256 = 66150^2 + 29016^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5217750751) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 1298206 + ... + 1302218.

Almost surely, 2^5217750756 is an apocalyptic number.

5217750756 is the 72234-th square number.

It is an amenable number.

5217750756 is an abundant number, since it is smaller than the sum of its proper divisors (8425880245).

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

5217750756 is an frugal number, since it uses more digits than its factorization.

5217750756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8042 (or 4018 counting only the distinct ones).

The product of its (nonzero) digits is 514500, while the sum is 45.

The cubic root of 5217750756 is about 1734.4473050119.

The spelling of 5217750756 in words is "five billion, two hundred seventeen million, seven hundred fifty thousand, seven hundred fifty-six".