73168072804 has 6 divisors (see below), whose sum is σ = 128044127414. Its totient is φ = 36584036400.

The previous prime is 73168072799. The next prime is 73168072853. The reversal of 73168072804 is 40827086137.

It can be written as a sum of positive squares in only one way, i.e., 65694816100 + 7473256704 = 256310^2 + 86448^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9146009097 + ... + 9146009104.

Almost surely, 2^73168072804 is an apocalyptic number.

It is an amenable number.

73168072804 is a deficient number, since it is larger than the sum of its proper divisors (54876054610).

73168072804 is a wasteful number, since it uses less digits than its factorization.

73168072804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18292018205 (or 18292018203 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 46.

The spelling of 73168072804 in words is "seventy-three billion, one hundred sixty-eight million, seventy-two thousand, eight hundred four".