73566969 has 8 divisors (see below), whose sum is σ = 112102080. Its totient is φ = 42038256.

The previous prime is 73566947. The next prime is 73566971. The reversal of 73566969 is 96966537.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 73566969 - 2¹³ = 73558777 is a prime.

It is a super-2 number, since 2×73566969² = 10824197855693922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (73566919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1751574 + ... + 1751615.

It is an arithmetic number, because the mean of its divisors is an integer number (14012760).

Almost surely, 2^73566969 is an apocalyptic number.

It is an amenable number.

73566969 is a deficient number, since it is larger than the sum of its proper divisors (38535111).

73566969 is a wasteful number, since it uses less digits than its factorization.

73566969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3503199.

The product of its digits is 1837080, while the sum is 51.

The square root of 73566969 is about 8577.1189218758. The cubic root of 73566969 is about 419.0131194355.

The spelling of 73566969 in words is "seventy-three million, five hundred sixty-six thousand, nine hundred sixty-nine".