73162361 has 4 divisors (see below), whose sum is σ = 73984500. Its totient is φ = 72340224.

The previous prime is 73162343. The next prime is 73162367. The reversal of 73162361 is 16326137.

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 10118761 + 63043600 = 3181^2 + 7940^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73162361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73162367) 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, 410936 + ... + 411113.

It is an arithmetic number, because the mean of its divisors is an integer number (18496125).

Almost surely, 2^73162361 is an apocalyptic number.

It is an amenable number.

73162361 is a deficient number, since it is larger than the sum of its proper divisors (822139).

73162361 is an equidigital number, since it uses as much as digits as its factorization.

73162361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822138.

The product of its digits is 4536, while the sum is 29.

The square root of 73162361 is about 8553.4999269305. The cubic root of 73162361 is about 418.2435357311.

Adding to 73162361 its reverse (16326137), we get a palindrome (89488498).

The spelling of 73162361 in words is "seventy-three million, one hundred sixty-two thousand, three hundred sixty-one".