73536644 has 12 divisors (see below), whose sum is σ = 129939264. Its totient is φ = 36411144.

The previous prime is 73536629. The next prime is 73536647. The reversal of 73536644 is 44663537.

It is a junction number, because it is equal to n+sod(n) for n = 73536598 and 73536607.

It is not an unprimeable number, because it can be changed into a prime (73536647) 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, 88832 + ... + 89655.

It is an arithmetic number, because the mean of its divisors is an integer number (10828272).

Almost surely, 2^73536644 is an apocalyptic number.

It is an amenable number.

73536644 is a deficient number, since it is larger than the sum of its proper divisors (56402620).

73536644 is a wasteful number, since it uses less digits than its factorization.

73536644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178594 (or 178592 counting only the distinct ones).

The product of its digits is 181440, while the sum is 38.

The square root of 73536644 is about 8575.3509549172. The cubic root of 73536644 is about 418.9555378000.

The spelling of 73536644 in words is "seventy-three million, five hundred thirty-six thousand, six hundred forty-four".