73608361 has 4 divisors (see below), whose sum is σ = 74997252. Its totient is φ = 72219472.

The previous prime is 73608347. The next prime is 73608371. The reversal of 73608361 is 16380637.

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 57760000 + 15848361 = 7600^2 + 3981^2 .

It is a cyclic number.

It is not a de Polignac number, because 73608361 - 2⁷ = 73608233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73608371) 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, 694366 + ... + 694471.

It is an arithmetic number, because the mean of its divisors is an integer number (18749313).

Almost surely, 2^73608361 is an apocalyptic number.

It is an amenable number.

73608361 is a deficient number, since it is larger than the sum of its proper divisors (1388891).

73608361 is a wasteful number, since it uses less digits than its factorization.

73608361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1388890.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 73608361 is about 8579.5315140164. The cubic root of 73608361 is about 419.0916897481.

Adding to 73608361 its reverse (16380637), we get a palindrome (89988998).

The spelling of 73608361 in words is "seventy-three million, six hundred eight thousand, three hundred sixty-one".