73353213 has 6 divisors (see below), whose sum is σ = 105954654. Its totient is φ = 48902136.

The previous prime is 73353173. The next prime is 73353221. The reversal of 73353213 is 31235337.

73353213 is a `hidden beast` number, since 7 + 335 + 321 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 73307844 + 45369 = 8562^2 + 213^2 .

It is not a de Polignac number, because 73353213 - 2⁶ = 73353149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73353253) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4075170 + ... + 4075187.

It is an arithmetic number, because the mean of its divisors is an integer number (17659109).

Almost surely, 2^73353213 is an apocalyptic number.

It is an amenable number.

73353213 is a deficient number, since it is larger than the sum of its proper divisors (32601441).

73353213 is a wasteful number, since it uses less digits than its factorization.

73353213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8150363 (or 8150360 counting only the distinct ones).

The product of its digits is 5670, while the sum is 27.

The square root of 73353213 is about 8564.6490295867. The cubic root of 73353213 is about 418.6068979205.

The spelling of 73353213 in words is "seventy-three million, three hundred fifty-three thousand, two hundred thirteen".