73324924565 has 4 divisors (see below), whose sum is σ = 87989909484. Its totient is φ = 58659939648.

The previous prime is 73324924537. The next prime is 73324924567. The reversal of 73324924565 is 56542942337.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 55624750801 + 17700173764 = 235849^2 + 133042^2 .

It is a cyclic number.

It is not a de Polignac number, because 73324924565 - 2¹⁰ = 73324923541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73324924567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7332492452 + ... + 7332492461.

It is an arithmetic number, because the mean of its divisors is an integer number (21997477371).

Almost surely, 2^73324924565 is an apocalyptic number.

It is an amenable number.

73324924565 is a deficient number, since it is larger than the sum of its proper divisors (14664984919).

73324924565 is a wasteful number, since it uses less digits than its factorization.

73324924565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14664984918.

The product of its digits is 5443200, while the sum is 50.

The spelling of 73324924565 in words is "seventy-three billion, three hundred twenty-four million, nine hundred twenty-four thousand, five hundred sixty-five".