7287305012 has 36 divisors (see below), whose sum is σ = 13879578636. Its totient is φ = 3346237440.

The previous prime is 7287305009. The next prime is 7287305033. The reversal of 7287305012 is 2105037827.

It can be written as a sum of positive squares in 6 ways, for example, as 15649936 + 7271655076 = 3956^2 + 85274^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105812 + ... + 160532.

It is an arithmetic number, because the mean of its divisors is an integer number (385543851).

Almost surely, 2^7287305012 is an apocalyptic number.

It is an amenable number.

7287305012 is a deficient number, since it is larger than the sum of its proper divisors (6592273624).

7287305012 is a wasteful number, since it uses less digits than its factorization.

7287305012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54948 (or 54933 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 7287305012 is about 85365.7133280101. The cubic root of 7287305012 is about 1938.7522543100.

The spelling of 7287305012 in words is "seven billion, two hundred eighty-seven million, three hundred five thousand, twelve".