7320281472 has 512 divisors, whose sum is σ = 26195558400. Its totient is φ = 1968261120.

The previous prime is 7320281467. The next prime is 7320281473. The reversal of 7320281472 is 2741820237.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7320281473) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 32247823 + ... + 32248049.

It is an arithmetic number, because the mean of its divisors is an integer number (51163200).

Almost surely, 2^7320281472 is an apocalyptic number.

7320281472 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 7320281472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13097779200).

7320281472 is an abundant number, since it is smaller than the sum of its proper divisors (18875276928).

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

7320281472 is a wasteful number, since it uses less digits than its factorization.

7320281472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331 (or 313 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 7320281472 is about 85558.6434675071. The cubic root of 7320281472 is about 1941.6722634266.

The spelling of 7320281472 in words is "seven billion, three hundred twenty million, two hundred eighty-one thousand, four hundred seventy-two".