7279933320 has 640 divisors, whose sum is σ = 28452695040. Its totient is φ = 1652175360.

The previous prime is 7279933289. The next prime is 7279933327. The reversal of 7279933320 is 233399727.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (7279933327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 68036707 + ... + 68036813.

It is an arithmetic number, because the mean of its divisors is an integer number (44457336).

Almost surely, 2^7279933320 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 7279933320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14226347520).

7279933320 is an abundant number, since it is smaller than the sum of its proper divisors (21172761720).

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

7279933320 is a wasteful number, since it uses less digits than its factorization.

7279933320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247 (or 234 counting only the distinct ones).

The product of its (nonzero) digits is 428652, while the sum is 45.

The square root of 7279933320 is about 85322.5252790844. The cubic root of 7279933320 is about 1938.0982994164.

The spelling of 7279933320 in words is "seven billion, two hundred seventy-nine million, nine hundred thirty-three thousand, three hundred twenty".