7287305047 has 8 divisors (see below), whose sum is σ = 7950504960. Its totient is φ = 6624224760.

The previous prime is 7287305033. The next prime is 7287305057. The reversal of 7287305047 is 7405037827.

7287305047 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7287305047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7287304994 and 7287305012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7287305057) 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, 138954 + ... + 184072.

It is an arithmetic number, because the mean of its divisors is an integer number (993813120).

Almost surely, 2^7287305047 is an apocalyptic number.

7287305047 is a deficient number, since it is larger than the sum of its proper divisors (663199913).

7287305047 is a wasteful number, since it uses less digits than its factorization.

7287305047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59813.

The product of its (nonzero) digits is 329280, while the sum is 43.

The square root of 7287305047 is about 85365.7135330104. The cubic root of 7287305047 is about 1938.7522574138.

The spelling of 7287305047 in words is "seven billion, two hundred eighty-seven million, three hundred five thousand, forty-seven".