9730286520 has 32 divisors (see below), whose sum is σ = 29190859920. Its totient is φ = 2594743040.

The previous prime is 9730286477. The next prime is 9730286537. The reversal of 9730286520 is 256820379.

9730286520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×9730286520² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40542741 + ... + 40542980.

Almost surely, 2^9730286520 is an apocalyptic number.

It is an amenable number.

9730286520 is an abundant number, since it is smaller than the sum of its proper divisors (19460573400).

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

9730286520 is a wasteful number, since it uses less digits than its factorization.

9730286520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81085735 (or 81085731 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 9730286520 is about 98642.2146953321. The cubic root of 9730286520 is about 2134.8885578967. Note that the first 3 decimals are identical.

The spelling of 9730286520 in words is "nine billion, seven hundred thirty million, two hundred eighty-six thousand, five hundred twenty".