9973073565 has 224 divisors, whose sum is σ = 22369810176. Its totient is φ = 4154250240.

The previous prime is 9973073563. The next prime is 9973073567. The reversal of 9973073565 is 5653703799.

9973073565 is a `hidden beast` number, since 9 + 9 + 7 + 3 + 0 + 73 + 565 = 666.

It is an interprime number because it is at equal distance from previous prime (9973073563) and next prime (9973073567).

It is not a de Polignac number, because 9973073565 - 2¹ = 9973073563 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9973073563) by changing a digit.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 35491225 + ... + 35491505.

It is an arithmetic number, because the mean of its divisors is an integer number (99865224).

Almost surely, 2^9973073565 is an apocalyptic number.

It is an amenable number.

9973073565 is an abundant number, since it is smaller than the sum of its proper divisors (12396736611).

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

9973073565 is a wasteful number, since it uses less digits than its factorization.

9973073565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431 (or 416 counting only the distinct ones).

The product of its (nonzero) digits is 5358150, while the sum is 54.

The square root of 9973073565 is about 99865.2770736656. The cubic root of 9973073565 is about 2152.4992436472.

The spelling of 9973073565 in words is "nine billion, nine hundred seventy-three million, seventy-three thousand, five hundred sixty-five".