2007308728 has 32 divisors (see below), whose sum is σ = 3991323600. Its totient is φ = 943140352.

The previous prime is 2007308707. The next prime is 2007308729. The reversal of 2007308728 is 8278037002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2007308729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78426 + ... + 100822.

Almost surely, 2^2007308728 is an apocalyptic number.

It is an amenable number.

2007308728 is a deficient number, since it is larger than the sum of its proper divisors (1984014872).

2007308728 is a wasteful number, since it uses less digits than its factorization.

2007308728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23079 (or 23075 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 2007308728 is about 44802.9990960427. Note that the first 3 decimals coincide. The cubic root of 2007308728 is about 1261.4539208948.

The spelling of 2007308728 in words is "two billion, seven million, three hundred eight thousand, seven hundred twenty-eight".