73213201 has 4 divisors (see below), whose sum is σ = 73353712. Its totient is φ = 73072692.

The previous prime is 73213187. The next prime is 73213223. The reversal of 73213201 is 10231237.

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 73213201 - 2⁷ = 73213073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73213241) 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, 69471 + ... + 70516.

It is an arithmetic number, because the mean of its divisors is an integer number (18338428).

Almost surely, 2^73213201 is an apocalyptic number.

It is an amenable number.

73213201 is a deficient number, since it is larger than the sum of its proper divisors (140511).

73213201 is a wasteful number, since it uses less digits than its factorization.

73213201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140510.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 73213201 is about 8556.4712937051. The cubic root of 73213201 is about 418.3403914444.

Adding to 73213201 its reverse (10231237), we get a palindrome (83444438).

The spelling of 73213201 in words is "seventy-three million, two hundred thirteen thousand, two hundred one".