7322007728 has 40 divisors (see below), whose sum is σ = 16222190880. Its totient is φ = 3136227840.

The previous prime is 7322007697. The next prime is 7322007761. The reversal of 7322007728 is 8277002237.

It is a super-2 number, since 2×7322007728² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7322007691 and 7322007700.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 190868 + ... + 225996.

It is an arithmetic number, because the mean of its divisors is an integer number (405554772).

Almost surely, 2^7322007728 is an apocalyptic number.

It is an amenable number.

7322007728 is an abundant number, since it is smaller than the sum of its proper divisors (8900183152).

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

7322007728 is a wasteful number, since it uses less digits than its factorization.

7322007728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37005 (or 36999 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 38.

The square root of 7322007728 is about 85568.7310178198. The cubic root of 7322007728 is about 1941.8248786855.

The spelling of 7322007728 in words is "seven billion, three hundred twenty-two million, seven thousand, seven hundred twenty-eight".