73116915328 has 16 divisors (see below), whose sum is σ = 145662605010. Its totient is φ = 36558457600.

The previous prime is 73116915307. The next prime is 73116915331. The reversal of 73116915328 is 82351961137.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 70964697664 + 2152217664 = 266392^2 + 46392^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

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 as a sum of consecutive naturals, namely, 285612823 + ... + 285613078.

Almost surely, 2^73116915328 is an apocalyptic number.

It is an amenable number.

73116915328 is a deficient number, since it is larger than the sum of its proper divisors (72545689682).

73116915328 is an equidigital number, since it uses as much as digits as its factorization.

73116915328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571225915 (or 571225903 counting only the distinct ones).

The product of its digits is 272160, while the sum is 46.

The spelling of 73116915328 in words is "seventy-three billion, one hundred sixteen million, nine hundred fifteen thousand, three hundred twenty-eight".