3007280720 has 20 divisors (see below), whose sum is σ = 6991927860. Its totient is φ = 1202912256.

The previous prime is 3007280711. The next prime is 3007280747. The reversal of 3007280720 is 270827003.

It can be written as a sum of positive squares in 2 ways, for example, as 1800135184 + 1207145536 = 42428^2 + 34744^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18795425 + ... + 18795584.

It is an arithmetic number, because the mean of its divisors is an integer number (349596393).

Almost surely, 2^3007280720 is an apocalyptic number.

It is an amenable number.

3007280720 is an abundant number, since it is smaller than the sum of its proper divisors (3984647140).

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

3007280720 is a wasteful number, since it uses less digits than its factorization.

3007280720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37591022 (or 37591016 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 3007280720 is about 54838.6790504658. The cubic root of 3007280720 is about 1443.4153627580.

The spelling of 3007280720 in words is "three billion, seven million, two hundred eighty thousand, seven hundred twenty".