73030072 has 16 divisors (see below), whose sum is σ = 144138600. Its totient is φ = 34593120.

The previous prime is 73030063. The next prime is 73030073. The reversal of 73030072 is 27003037.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73030073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240079 + ... + 240382.

Almost surely, 2^73030072 is an apocalyptic number.

It is an amenable number.

73030072 is a deficient number, since it is larger than the sum of its proper divisors (71108528).

73030072 is a wasteful number, since it uses less digits than its factorization.

73030072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480486 (or 480482 counting only the distinct ones).

The product of its (nonzero) digits is 882, while the sum is 22.

The square root of 73030072 is about 8545.7633948056. The cubic root of 73030072 is about 417.9913003844.

The spelling of 73030072 in words is "seventy-three million, thirty thousand, seventy-two".