73665968 has 10 divisors (see below), whose sum is σ = 142727844. Its totient is φ = 36832976.

The previous prime is 73665961. The next prime is 73665973. The reversal of 73665968 is 86956637.

It is not an unprimeable number, because it can be changed into a prime (73665961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2302046 + ... + 2302077.

Almost surely, 2^73665968 is an apocalyptic number.

It is an amenable number.

73665968 is a deficient number, since it is larger than the sum of its proper divisors (69061876).

73665968 is a wasteful number, since it uses less digits than its factorization.

73665968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4604131 (or 4604125 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 50.

The square root of 73665968 is about 8582.8880920119. Note that the first 3 decimals coincide. The cubic root of 73665968 is about 419.2009903731.

The spelling of 73665968 in words is "seventy-three million, six hundred sixty-five thousand, nine hundred sixty-eight".