9292728372820 has 24 divisors (see below), whose sum is σ = 19514906476128. Its totient is φ = 3717057655200.

The previous prime is 9292728372799. The next prime is 9292728372821. The reversal of 9292728372820 is 282738272929.

It is a super-2 number, since 2×9292728372820² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9292728372821) 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, 218235 + ... + 4316605.

It is an arithmetic number, because the mean of its divisors is an integer number (813121103172).

Almost surely, 2^{9292728372820} is an apocalyptic number.

It is an amenable number.

9292728372820 is an abundant number, since it is smaller than the sum of its proper divisors (10222178103308).

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

9292728372820 is a wasteful number, since it uses less digits than its factorization.

9292728372820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4211751 (or 4211749 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 61.

The spelling of 9292728372820 in words is "nine trillion, two hundred ninety-two billion, seven hundred twenty-eight million, three hundred seventy-two thousand, eight hundred twenty".