7300001280 has 960 divisors, whose sum is σ = 30391054848. Its totient is φ = 1470627840.

The previous prime is 7300001279. The next prime is 7300001287. The reversal of 7300001280 is 821000037.

It is a tau number, because it is divible by the number of its divisors (960).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7300001287) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 317391349 + ... + 317391371.

Almost surely, 2^7300001280 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 7300001280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15195527424).

7300001280 is an abundant number, since it is smaller than the sum of its proper divisors (23091053568).

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

7300001280 is a wasteful number, since it uses less digits than its factorization.

7300001280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107 (or 74 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 7300001280 is about 85440.0449438084. The cubic root of 7300001280 is about 1939.8775279613.

The spelling of 7300001280 in words is "seven billion, three hundred million, one thousand, two hundred eighty".