73765668 has 12 divisors (see below), whose sum is σ = 172119920. Its totient is φ = 24588552.

The previous prime is 73765651. The next prime is 73765711. The reversal of 73765668 is 86656737.

It is a tau number, because it is divible by the number of its divisors (12).

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 in 3 ways as a sum of consecutive naturals, for example, 3073558 + ... + 3073581.

Almost surely, 2^73765668 is an apocalyptic number.

It is an amenable number.

73765668 is an abundant number, since it is smaller than the sum of its proper divisors (98354252).

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

73765668 is a wasteful number, since it uses less digits than its factorization.

73765668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6147146 (or 6147144 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 48.

The square root of 73765668 is about 8588.6941964422. The cubic root of 73765668 is about 419.3900215686.

The spelling of 73765668 in words is "seventy-three million, seven hundred sixty-five thousand, six hundred sixty-eight".