7297320576 has 512 divisors, whose sum is σ = 26046720000. Its totient is φ = 1755758592.

The previous prime is 7297320521. The next prime is 7297320577. The reversal of 7297320576 is 6750237927.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (7297320577) 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, 19253955 + ... + 19254333.

It is an arithmetic number, because the mean of its divisors is an integer number (50872500).

Almost surely, 2^7297320576 is an apocalyptic number.

7297320576 is a gapful number since it is divisible by the number (76) 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 7297320576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13023360000).

7297320576 is an abundant number, since it is smaller than the sum of its proper divisors (18749399424).

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

7297320576 is a wasteful number, since it uses less digits than its factorization.

7297320576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464 (or 452 counting only the distinct ones).

The product of its (nonzero) digits is 1111320, while the sum is 48.

The square root of 7297320576 is about 85424.3558711449. The cubic root of 7297320576 is about 1939.6400451663.

The spelling of 7297320576 in words is "seven billion, two hundred ninety-seven million, three hundred twenty thousand, five hundred seventy-six".