73705043 has 4 divisors (see below), whose sum is σ = 74054568. Its totient is φ = 73355520.

The previous prime is 73705039. The next prime is 73705057. The reversal of 73705043 is 34050737.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 73705043 - 2² = 73705039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73704997 and 73705015.

It is not an unprimeable number, because it can be changed into a prime (73705343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174446 + ... + 174867.

It is an arithmetic number, because the mean of its divisors is an integer number (18513642).

Almost surely, 2^73705043 is an apocalyptic number.

73705043 is a deficient number, since it is larger than the sum of its proper divisors (349525).

73705043 is a wasteful number, since it uses less digits than its factorization.

73705043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349524.

The product of its (nonzero) digits is 8820, while the sum is 29.

The square root of 73705043 is about 8585.1641219024. The cubic root of 73705043 is about 419.2750968829.

The spelling of 73705043 in words is "seventy-three million, seven hundred five thousand, forty-three".