73433213 has 8 divisors (see below), whose sum is σ = 85636800. Its totient is φ = 62942460.

The previous prime is 73433179. The next prime is 73433237. The reversal of 73433213 is 31233437.

It is a de Polignac number, because none of the positive numbers 2^k-73433213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73436213) 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, 106703 + ... + 107388.

It is an arithmetic number, because the mean of its divisors is an integer number (10704600).

Almost surely, 2^73433213 is an apocalyptic number.

It is an amenable number.

73433213 is a deficient number, since it is larger than the sum of its proper divisors (12203587).

73433213 is an equidigital number, since it uses as much as digits as its factorization.

73433213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214112 (or 214098 counting only the distinct ones).

The product of its digits is 4536, while the sum is 26.

The square root of 73433213 is about 8569.3181175634. The cubic root of 73433213 is about 418.7590220674.

The spelling of 73433213 in words is "seventy-three million, four hundred thirty-three thousand, two hundred thirteen".