73044413 has 8 divisors (see below), whose sum is σ = 78901368. Its totient is φ = 67221504.

The previous prime is 73044397. The next prime is 73044437. The reversal of 73044413 is 31444037.

It can be written as a sum of positive squares in 4 ways, for example, as 8048569 + 64995844 = 2837^2 + 8062^2 .

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 73044413 - 2⁴ = 73044397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73044473) 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, 3956 + ... + 12717.

It is an arithmetic number, because the mean of its divisors is an integer number (9862671).

Almost surely, 2^73044413 is an apocalyptic number.

It is an amenable number.

73044413 is a deficient number, since it is larger than the sum of its proper divisors (5856955).

73044413 is a wasteful number, since it uses less digits than its factorization.

73044413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17023.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 73044413 is about 8546.6024243555. The cubic root of 73044413 is about 418.0186590726.

The spelling of 73044413 in words is "seventy-three million, forty-four thousand, four hundred thirteen".