73983569 has 8 divisors (see below), whose sum is σ = 81157440. Its totient is φ = 66884400.

The previous prime is 73983527. The next prime is 73983589. The reversal of 73983569 is 96538937.

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

It is not a de Polignac number, because 73983569 - 2¹² = 73979473 is a prime.

It is a super-2 number, since 2×73983569² = 10947136963955522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73983589) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16589 + ... + 20570.

It is an arithmetic number, because the mean of its divisors is an integer number (10144680).

Almost surely, 2^73983569 is an apocalyptic number.

It is an amenable number.

73983569 is a deficient number, since it is larger than the sum of its proper divisors (7173871).

73983569 is a wasteful number, since it uses less digits than its factorization.

73983569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37351.

The product of its digits is 1224720, while the sum is 50.

The square root of 73983569 is about 8601.3701815467. The cubic root of 73983569 is about 419.8025697175.

The spelling of 73983569 in words is "seventy-three million, nine hundred eighty-three thousand, five hundred sixty-nine".