7280633680 has 40 divisors (see below), whose sum is σ = 17141760000. Its totient is φ = 2875387008.

The previous prime is 7280633651. The next prime is 7280633683. The reversal of 7280633680 is 863360827.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7280633683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 569680 + ... + 582319.

It is an arithmetic number, because the mean of its divisors is an integer number (428544000).

Almost surely, 2^7280633680 is an apocalyptic number.

It is an amenable number.

7280633680 is an abundant number, since it is smaller than the sum of its proper divisors (9861126320).

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

7280633680 is a wasteful number, since it uses less digits than its factorization.

7280633680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1152091 (or 1152085 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 43.

The square root of 7280633680 is about 85326.6293720782. The cubic root of 7280633680 is about 1938.1604484746.

The spelling of 7280633680 in words is "seven billion, two hundred eighty million, six hundred thirty-three thousand, six hundred eighty".