73168552 has 8 divisors (see below), whose sum is σ = 137191050. Its totient is φ = 36584272.

The previous prime is 73168531. The next prime is 73168607. The reversal of 73168552 is 25586137.

It can be written as a sum of positive squares in only one way, i.e., 70459236 + 2709316 = 8394^2 + 1646^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct 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, 4573027 + ... + 4573042.

Almost surely, 2^73168552 is an apocalyptic number.

It is an amenable number.

73168552 is a deficient number, since it is larger than the sum of its proper divisors (64022498).

73168552 is a wasteful number, since it uses less digits than its factorization.

73168552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9146075 (or 9146071 counting only the distinct ones).

The product of its digits is 50400, while the sum is 37.

The square root of 73168552 is about 8553.8618179159. The cubic root of 73168552 is about 418.2553326563.

The spelling of 73168552 in words is "seventy-three million, one hundred sixty-eight thousand, five hundred fifty-two".