73199443 has 8 divisors (see below), whose sum is σ = 75192768. Its totient is φ = 71232744.

The previous prime is 73199437. The next prime is 73199491. The reversal of 73199443 is 34499137.

It is a happy number.

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 73199443 - 2⁵ = 73199411 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73199396 and 73199405.

It is not an unprimeable number, because it can be changed into a prime (73199143) 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, 1021 + ... + 12142.

It is an arithmetic number, because the mean of its divisors is an integer number (9399096).

Almost surely, 2^73199443 is an apocalyptic number.

73199443 is a deficient number, since it is larger than the sum of its proper divisors (1993325).

73199443 is a wasteful number, since it uses less digits than its factorization.

73199443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13313.

The product of its digits is 81648, while the sum is 40.

The square root of 73199443 is about 8555.6673030220. The cubic root of 73199443 is about 418.3141853887.

The spelling of 73199443 in words is "seventy-three million, one hundred ninety-nine thousand, four hundred forty-three".