7287304020 has 24 divisors (see below), whose sum is σ = 20404451424. Its totient is φ = 1943281056.

The previous prime is 7287304007. The next prime is 7287304021. The reversal of 7287304020 is 204037827.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7287304021) 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, 60727474 + ... + 60727593.

It is an arithmetic number, because the mean of its divisors is an integer number (850185476).

Almost surely, 2^7287304020 is an apocalyptic number.

It is an amenable number.

7287304020 is an abundant number, since it is smaller than the sum of its proper divisors (13117147404).

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

7287304020 is a wasteful number, since it uses less digits than its factorization.

7287304020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121455079 (or 121455077 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 7287304020 is about 85365.7075177146. The cubic root of 7287304020 is about 1938.7521663377.

The spelling of 7287304020 in words is "seven billion, two hundred eighty-seven million, three hundred four thousand, twenty".