73214641 has 2 divisors, whose sum is σ = 73214642. Its totient is φ = 73214640.

The previous prime is 73214639. The next prime is 73214651. The reversal of 73214641 is 14641237.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64064016 + 9150625 = 8004^2 + 3025^2 .

It is a cyclic number.

It is not a de Polignac number, because 73214641 - 2¹ = 73214639 is a prime.

Together with 73214639, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (73214651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36607320 + 36607321.

It is an arithmetic number, because the mean of its divisors is an integer number (36607321).

Almost surely, 2^73214641 is an apocalyptic number.

It is an amenable number.

73214641 is a deficient number, since it is larger than the sum of its proper divisors (1).

73214641 is an equidigital number, since it uses as much as digits as its factorization.

73214641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 28.

The square root of 73214641 is about 8556.5554401289. Note that the first 3 decimals coincide. The cubic root of 73214641 is about 418.3431341474.

Adding to 73214641 its reverse (14641237), we get a palindrome (87855878).

The spelling of 73214641 in words is "seventy-three million, two hundred fourteen thousand, six hundred forty-one".