9795073640 has 128 divisors (see below), whose sum is σ = 25544937600. Its totient is φ = 3345914880.

The previous prime is 9795073637. The next prime is 9795073657. The reversal of 9795073640 is 463705979.

It is a super-2 number, since 2×9795073640² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 461747 + ... + 482493.

It is an arithmetic number, because the mean of its divisors is an integer number (199569825).

Almost surely, 2^9795073640 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9795073640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12772468800).

9795073640 is an abundant number, since it is smaller than the sum of its proper divisors (15749863960).

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

9795073640 is a wasteful number, since it uses less digits than its factorization.

9795073640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20835 (or 20831 counting only the distinct ones).

The product of its (nonzero) digits is 1428840, while the sum is 50.

The square root of 9795073640 is about 98970.0643629173. The cubic root of 9795073640 is about 2139.6163198362.

The spelling of 9795073640 in words is "nine billion, seven hundred ninety-five million, seventy-three thousand, six hundred forty".