5227366721 has 4 divisors (see below), whose sum is σ = 5293536000. Its totient is φ = 5161197444.

The previous prime is 5227366633. The next prime is 5227366747. The reversal of 5227366721 is 1276637225.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5227366721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5227366751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33084521 + ... + 33084678.

It is an arithmetic number, because the mean of its divisors is an integer number (1323384000).

Almost surely, 2^5227366721 is an apocalyptic number.

It is an amenable number.

5227366721 is a deficient number, since it is larger than the sum of its proper divisors (66169279).

5227366721 is an equidigital number, since it uses as much as digits as its factorization.

5227366721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66169278.

The product of its digits is 211680, while the sum is 41.

The square root of 5227366721 is about 72300.5305720504. The cubic root of 5227366721 is about 1735.5121411914.

The spelling of 5227366721 in words is "five billion, two hundred twenty-seven million, three hundred sixty-six thousand, seven hundred twenty-one".