73013565 has 16 divisors (see below), whose sum is σ = 116928000. Its totient is φ = 38905152.

The previous prime is 73013539. The next prime is 73013581. The reversal of 73013565 is 56531037.

It is not a de Polignac number, because 73013565 - 2⁵ = 73013533 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 29236 + ... + 31634.

It is an arithmetic number, because the mean of its divisors is an integer number (7308000).

Almost surely, 2^73013565 is an apocalyptic number.

It is an amenable number.

73013565 is a deficient number, since it is larger than the sum of its proper divisors (43914435).

73013565 is a wasteful number, since it uses less digits than its factorization.

73013565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4436.

The product of its (nonzero) digits is 9450, while the sum is 30.

The square root of 73013565 is about 8544.7975400240. The cubic root of 73013565 is about 417.9598051290.

The spelling of 73013565 in words is "seventy-three million, thirteen thousand, five hundred sixty-five".