73185043 has 2 divisors, whose sum is σ = 73185044. Its totient is φ = 73185042.

The previous prime is 73185037. The next prime is 73185061. The reversal of 73185043 is 34058137.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73185043 - 2¹⁷ = 73053971 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73184996 and 73185014.

It is not a weakly prime, because it can be changed into another prime (73185083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36592521 + 36592522.

It is an arithmetic number, because the mean of its divisors is an integer number (36592522).

Almost surely, 2^73185043 is an apocalyptic number.

73185043 is a deficient number, since it is larger than the sum of its proper divisors (1).

73185043 is an equidigital number, since it uses as much as digits as its factorization.

73185043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 73185043 is about 8554.8257141803. The cubic root of 73185043 is about 418.2867529426.

The spelling of 73185043 in words is "seventy-three million, one hundred eighty-five thousand, forty-three".