73244865 has 32 divisors (see below), whose sum is σ = 122094720. Its totient is φ = 37449216.

The previous prime is 73244863. The next prime is 73244893. The reversal of 73244865 is 56844237.

It is a happy number.

It is not a de Polignac number, because 73244865 - 2¹ = 73244863 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73244861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70389 + ... + 71421.

It is an arithmetic number, because the mean of its divisors is an integer number (3815460).

Almost surely, 2^73244865 is an apocalyptic number.

It is an amenable number.

73244865 is a deficient number, since it is larger than the sum of its proper divisors (48849855).

73244865 is a wasteful number, since it uses less digits than its factorization.

73244865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233.

The product of its digits is 161280, while the sum is 39.

The square root of 73244865 is about 8558.3213891510. The cubic root of 73244865 is about 418.4006921406.

The spelling of 73244865 in words is "seventy-three million, two hundred forty-four thousand, eight hundred sixty-five".