9719773040 has 40 divisors (see below), whose sum is σ = 22614618048. Its totient is φ = 3885131520.

The previous prime is 9719773033. The next prime is 9719773073. The reversal of 9719773040 is 403779179.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×9719773040² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 71150 + ... + 156530.

Almost surely, 2^9719773040 is an apocalyptic number.

It is an amenable number.

9719773040 is an abundant number, since it is smaller than the sum of its proper divisors (12894845008).

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

9719773040 is a wasteful number, since it uses less digits than its factorization.

9719773040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86817 (or 86811 counting only the distinct ones).

The product of its (nonzero) digits is 333396, while the sum is 47.

The square root of 9719773040 is about 98588.9093153992. The cubic root of 9719773040 is about 2134.1193720194.

The spelling of 9719773040 in words is "nine billion, seven hundred nineteen million, seven hundred seventy-three thousand, forty".