73028530 has 16 divisors (see below), whose sum is σ = 131854464. Its totient is φ = 29121840.

The previous prime is 73028513. The next prime is 73028561. The reversal of 73028530 is 3582037.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7722 + ... + 14341.

It is an arithmetic number, because the mean of its divisors is an integer number (8240904).

Almost surely, 2^73028530 is an apocalyptic number.

73028530 is a deficient number, since it is larger than the sum of its proper divisors (58825934).

73028530 is a wasteful number, since it uses less digits than its factorization.

73028530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22401.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 73028530 is about 8545.6731741859. The cubic root of 73028530 is about 417.9883584588.

The spelling of 73028530 in words is "seventy-three million, twenty-eight thousand, five hundred thirty".