73265565 has 16 divisors (see below), whose sum is σ = 120085056. Its totient is φ = 38121600.

The previous prime is 73265537. The next prime is 73265567. The reversal of 73265565 is 56556237.

It is not a de Polignac number, because 73265565 - 2¹⁸ = 73003421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73265567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58951 + ... + 60180.

It is an arithmetic number, because the mean of its divisors is an integer number (7505316).

Almost surely, 2^73265565 is an apocalyptic number.

It is an amenable number.

73265565 is a deficient number, since it is larger than the sum of its proper divisors (46819491).

73265565 is a wasteful number, since it uses less digits than its factorization.

73265565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119180.

The product of its digits is 189000, while the sum is 39.

The square root of 73265565 is about 8559.5306530206. The cubic root of 73265565 is about 418.4401036796.

The spelling of 73265565 in words is "seventy-three million, two hundred sixty-five thousand, five hundred sixty-five".