73309361 has 8 divisors (see below), whose sum is σ = 75933120. Its totient is φ = 70692048.

The previous prime is 73309343. The next prime is 73309363. The reversal of 73309361 is 16390337.

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

It is a cyclic number.

It is not a de Polignac number, because 73309361 - 2¹⁴ = 73292977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73309363) 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, 41090 + ... + 42836.

It is an arithmetic number, because the mean of its divisors is an integer number (9491640).

Almost surely, 2^73309361 is an apocalyptic number.

It is an amenable number.

73309361 is a deficient number, since it is larger than the sum of its proper divisors (2623759).

73309361 is a wasteful number, since it uses less digits than its factorization.

73309361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3223.

The product of its (nonzero) digits is 10206, while the sum is 32.

The square root of 73309361 is about 8562.0885886564. The cubic root of 73309361 is about 418.5234641342.

Adding to 73309361 its reverse (16390337), we get a palindrome (89699698).

The spelling of 73309361 in words is "seventy-three million, three hundred nine thousand, three hundred sixty-one".