73457565 has 8 divisors (see below), whose sum is σ = 117532128. Its totient is φ = 39177360.

The previous prime is 73457513. The next prime is 73457567. The reversal of 73457565 is 56575437.

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

It is not a de Polignac number, because 73457565 - 2⁸ = 73457309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73457567) 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, 2448571 + ... + 2448600.

It is an arithmetic number, because the mean of its divisors is an integer number (14691516).

Almost surely, 2^73457565 is an apocalyptic number.

It is an amenable number.

73457565 is a deficient number, since it is larger than the sum of its proper divisors (44074563).

73457565 is a wasteful number, since it uses less digits than its factorization.

73457565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4897179.

The product of its digits is 441000, while the sum is 42.

The square root of 73457565 is about 8570.7388829669. The cubic root of 73457565 is about 418.8053067219.

The spelling of 73457565 in words is "seventy-three million, four hundred fifty-seven thousand, five hundred sixty-five".