73443873 has 16 divisors (see below), whose sum is σ = 104033600. Its totient is φ = 45956160.

The previous prime is 73443829. The next prime is 73443883. The reversal of 73443873 is 37834437.

It is not a de Polignac number, because 73443873 - 2¹² = 73439777 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (73443803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 303 + ... + 12123.

It is an arithmetic number, because the mean of its divisors is an integer number (6502100).

Almost surely, 2^73443873 is an apocalyptic number.

It is an amenable number.

73443873 is a deficient number, since it is larger than the sum of its proper divisors (30589727).

73443873 is a wasteful number, since it uses less digits than its factorization.

73443873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11952.

The product of its digits is 169344, while the sum is 39.

The square root of 73443873 is about 8569.9400814708. The cubic root of 73443873 is about 418.7792842667.

The spelling of 73443873 in words is "seventy-three million, four hundred forty-three thousand, eight hundred seventy-three".