73443601 has 24 divisors (see below), whose sum is σ = 94309920. Its totient is φ = 56548800.

The previous prime is 73443599. The next prime is 73443611. The reversal of 73443601 is 10634437.

It is not a de Polignac number, because 73443601 - 2¹ = 73443599 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 73443601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73443611) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47206 + ... + 48736.

It is an arithmetic number, because the mean of its divisors is an integer number (3929580).

Almost surely, 2^73443601 is an apocalyptic number.

It is an amenable number.

73443601 is a deficient number, since it is larger than the sum of its proper divisors (20866319).

73443601 is a wasteful number, since it uses less digits than its factorization.

73443601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1645 (or 1638 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 73443601 is about 8569.9242120336. The cubic root of 73443601 is about 418.7787672819.

The spelling of 73443601 in words is "seventy-three million, four hundred forty-three thousand, six hundred one".