73198866 has 16 divisors (see below), whose sum is σ = 157659264. Its totient is φ = 22522704.

The previous prime is 73198847. The next prime is 73198877. The reversal of 73198866 is 66889137.

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, 469146 + ... + 469301.

It is an arithmetic number, because the mean of its divisors is an integer number (9853704).

Almost surely, 2^73198866 is an apocalyptic number.

73198866 is an abundant number, since it is smaller than the sum of its proper divisors (84460398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73198866 is a wasteful number, since it uses less digits than its factorization.

73198866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938465.

The product of its digits is 435456, while the sum is 48.

The square root of 73198866 is about 8555.6335826168. The cubic root of 73198866 is about 418.3130862550.

The spelling of 73198866 in words is "seventy-three million, one hundred ninety-eight thousand, eight hundred sixty-six".