73043030 has 16 divisors (see below), whose sum is σ = 138397680. Its totient is φ = 27679392.

The previous prime is 73043021. The next prime is 73043051. The reversal of 73043030 is 3034037.

It is a junction number, because it is equal to n+sod(n) for n = 73042993 and 73043011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192029 + ... + 192408.

It is an arithmetic number, because the mean of its divisors is an integer number (8649855).

Almost surely, 2^73043030 is an apocalyptic number.

73043030 is a deficient number, since it is larger than the sum of its proper divisors (65354650).

73043030 is a wasteful number, since it uses less digits than its factorization.

73043030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384463.

The product of its (nonzero) digits is 756, while the sum is 20.

The square root of 73043030 is about 8546.5215146280. The cubic root of 73043030 is about 418.0160208446.

Adding to 73043030 its reverse (3034037), we get a palindrome (76077067).

The spelling of 73043030 in words is "seventy-three million, forty-three thousand, thirty".