73830445 has 8 divisors (see below), whose sum is σ = 95411736. Its totient is φ = 54520896.

The previous prime is 73830403. The next prime is 73830451. The reversal of 73830445 is 54403837.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 316969 + 73513476 = 563^2 + 8574^2 .

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 73830445 - 2⁹ = 73829933 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 73830445.

It is a congruent number.

It is an unprimeable number.

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, 567862 + ... + 567991.

It is an arithmetic number, because the mean of its divisors is an integer number (11926467).

Almost surely, 2^73830445 is an apocalyptic number.

It is an amenable number.

73830445 is a deficient number, since it is larger than the sum of its proper divisors (21581291).

73830445 is a wasteful number, since it uses less digits than its factorization.

73830445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1135871.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 73830445 is about 8592.4644311164. The cubic root of 73830445 is about 419.5127474920.

The spelling of 73830445 in words is "seventy-three million, eight hundred thirty thousand, four hundred forty-five".