73193530 has 16 divisors (see below), whose sum is σ = 134235144. Its totient is φ = 28724800.

The previous prime is 73193509. The next prime is 73193563. The reversal of 73193530 is 3539137.

It can be written as a sum of positive squares in 4 ways, for example, as 49154121 + 24039409 = 7011^2 + 4903^2 .

It is a junction number, because it is equal to n+sod(n) for n = 73193492 and 73193501.

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, 68521 + ... + 69580.

Almost surely, 2^73193530 is an apocalyptic number.

73193530 is a deficient number, since it is larger than the sum of its proper divisors (61041614).

73193530 is a wasteful number, since it uses less digits than its factorization.

73193530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138161.

The product of its (nonzero) digits is 8505, while the sum is 31.

The square root of 73193530 is about 8555.3217356216. The cubic root of 73193530 is about 418.3029213759.

The spelling of 73193530 in words is "seventy-three million, one hundred ninety-three thousand, five hundred thirty".