73602161 has 4 divisors (see below), whose sum is σ = 74053872. Its totient is φ = 73150452.

The previous prime is 73602149. The next prime is 73602187. The reversal of 73602161 is 16120637.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 73602161 - 2⁶ = 73602097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 73602161.

It is not an unprimeable number, because it can be changed into a prime (73602101) 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 3 ways as a sum of consecutive naturals, for example, 225611 + ... + 225936.

It is an arithmetic number, because the mean of its divisors is an integer number (18513468).

Almost surely, 2^73602161 is an apocalyptic number.

It is an amenable number.

73602161 is a deficient number, since it is larger than the sum of its proper divisors (451711).

73602161 is a wasteful number, since it uses less digits than its factorization.

73602161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451710.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 73602161 is about 8579.1701813171. The cubic root of 73602161 is about 419.0799227813.

Adding to 73602161 its reverse (16120637), we get a palindrome (89722798).

The spelling of 73602161 in words is "seventy-three million, six hundred two thousand, one hundred sixty-one".