73418213 has 8 divisors (see below), whose sum is σ = 80886816. Its totient is φ = 66082000.

The previous prime is 73418209. The next prime is 73418237. The reversal of 73418213 is 31281437.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 73418213 - 2² = 73418209 is a prime.

It is a super-2 number, since 2×73418213² = 10780468000226738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73418203) 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 7 ways as a sum of consecutive naturals, for example, 31931 + ... + 34152.

It is an arithmetic number, because the mean of its divisors is an integer number (10110852).

Almost surely, 2^73418213 is an apocalyptic number.

It is an amenable number.

73418213 is a deficient number, since it is larger than the sum of its proper divisors (7468603).

73418213 is a wasteful number, since it uses less digits than its factorization.

73418213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66195.

The product of its digits is 4032, while the sum is 29.

The square root of 73418213 is about 8568.4428573691. The cubic root of 73418213 is about 418.7305072088.

The spelling of 73418213 in words is "seventy-three million, four hundred eighteen thousand, two hundred thirteen".