7287304989 has 8 divisors (see below), whose sum is σ = 9720806112. Its totient is φ = 4856003600.

The previous prime is 7287304951. The next prime is 7287305009. The reversal of 7287304989 is 9894037827.

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

It is a cyclic number.

It is not a de Polignac number, because 7287304989 - 2²¹ = 7285207837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7287304909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 542187 + ... + 555464.

It is an arithmetic number, because the mean of its divisors is an integer number (1215100764).

Almost surely, 2^7287304989 is an apocalyptic number.

It is an amenable number.

7287304989 is a deficient number, since it is larger than the sum of its proper divisors (2433501123).

7287304989 is a wasteful number, since it uses less digits than its factorization.

7287304989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099867.

The product of its (nonzero) digits is 6096384, while the sum is 57.

The square root of 7287304989 is about 85365.7131932956. The cubic root of 7287304989 is about 1938.7522522703.

The spelling of 7287304989 in words is "seven billion, two hundred eighty-seven million, three hundred four thousand, nine hundred eighty-nine".