73040206 has 4 divisors (see below), whose sum is σ = 109560312. Its totient is φ = 36520102.

The previous prime is 73040189. The next prime is 73040213. The reversal of 73040206 is 60204037.

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

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18260050 + ... + 18260053.

It is an arithmetic number, because the mean of its divisors is an integer number (27390078).

Almost surely, 2^73040206 is an apocalyptic number.

73040206 is a deficient number, since it is larger than the sum of its proper divisors (36520106).

73040206 is a wasteful number, since it uses less digits than its factorization.

73040206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36520105.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 73040206 is about 8546.3562996168. The cubic root of 73040206 is about 418.0106336435.

The spelling of 73040206 in words is "seventy-three million, forty thousand, two hundred six".