7321310712 has 160 divisors (see below), whose sum is σ = 21792719520. Its totient is φ = 2288424960.

The previous prime is 7321310687. The next prime is 7321310713. The reversal of 7321310712 is 2170131237.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7321310713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3424908 + ... + 3427044.

It is an arithmetic number, because the mean of its divisors is an integer number (136204497).

Almost surely, 2^7321310712 is an apocalyptic number.

7321310712 is a gapful number since it is divisible by the number (72) 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 7321310712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10896359760).

7321310712 is an abundant number, since it is smaller than the sum of its proper divisors (14471408808).

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

7321310712 is a wasteful number, since it uses less digits than its factorization.

7321310712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2483 (or 2470 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 7321310712 is about 85564.6580779705. The cubic root of 7321310712 is about 1941.7632596137.

Adding to 7321310712 its reverse (2170131237), we get a palindrome (9491441949).

The spelling of 7321310712 in words is "seven billion, three hundred twenty-one million, three hundred ten thousand, seven hundred twelve".