7320918720 has 224 divisors, whose sum is σ = 23729045760. Its totient is φ = 1911951360.

The previous prime is 7320918719. The next prime is 7320918727. The reversal of 7320918720 is 278190237.

It is not an unprimeable number, because it can be changed into a prime (7320918727) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11075190 + ... + 11075850.

It is an arithmetic number, because the mean of its divisors is an integer number (105933240).

Almost surely, 2^7320918720 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 7320918720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11864522880).

7320918720 is an abundant number, since it is smaller than the sum of its proper divisors (16408127040).

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

7320918720 is a wasteful number, since it uses less digits than its factorization.

7320918720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903 (or 893 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 7320918720 is about 85562.3674286774. The cubic root of 7320918720 is about 1941.7286041957.

The spelling of 7320918720 in words is "seven billion, three hundred twenty million, nine hundred eighteen thousand, seven hundred twenty".