73893992 has 8 divisors (see below), whose sum is σ = 138551250. Its totient is φ = 36946992.

The previous prime is 73893991. The next prime is 73894003. The reversal of 73893992 is 29939837.

It can be written as a sum of positive squares in only one way, i.e., 69789316 + 4104676 = 8354^2 + 2026^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 73893992.

It is not an unprimeable number, because it can be changed into a prime (73893991) by changing a digit.

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, 4618367 + ... + 4618382.

Almost surely, 2^73893992 is an apocalyptic number.

It is an amenable number.

73893992 is a deficient number, since it is larger than the sum of its proper divisors (64657258).

73893992 is a wasteful number, since it uses less digits than its factorization.

73893992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9236755 (or 9236751 counting only the distinct ones).

The product of its digits is 734832, while the sum is 50.

The square root of 73893992 is about 8596.1614689348. The cubic root of 73893992 is about 419.6330733354.

The spelling of 73893992 in words is "seventy-three million, eight hundred ninety-three thousand, nine hundred ninety-two".