9694494720 has 360 divisors, whose sum is σ = 34922806464. Its totient is φ = 2579890176.

The previous prime is 9694494713. The next prime is 9694494721. The reversal of 9694494720 is 274944969.

It is a tau number, because it is divible by the number of its divisors (360).

It is a super-3 number, since 3×9694494720³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (9694494721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19906317 + ... + 19906803.

Almost surely, 2^9694494720 is an apocalyptic number.

9694494720 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9694494720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17461403232).

9694494720 is an abundant number, since it is smaller than the sum of its proper divisors (25228311744).

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

9694494720 is an frugal number, since it uses more digits than its factorization.

9694494720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535 (or 497 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 54.

The square root of 9694494720 is about 98460.6252265341. The cubic root of 9694494720 is about 2132.2676900004.

It can be divided in two parts, 969449 and 4720, that added together give a square (974169 = 987²).

The spelling of 9694494720 in words is "nine billion, six hundred ninety-four million, four hundred ninety-four thousand, seven hundred twenty".