73940668 has 12 divisors (see below), whose sum is σ = 129478552. Its totient is φ = 36946800.

The previous prime is 73940641. The next prime is 73940677. The reversal of 73940668 is 86604937.

It is a happy number.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2518 + ... + 12418.

Almost surely, 2^73940668 is an apocalyptic number.

It is an amenable number.

73940668 is a deficient number, since it is larger than the sum of its proper divisors (55537884).

73940668 is a wasteful number, since it uses less digits than its factorization.

73940668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11772 (or 11770 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 73940668 is about 8598.8759730560. The cubic root of 73940668 is about 419.7214101098.

The spelling of 73940668 in words is "seventy-three million, nine hundred forty thousand, six hundred sixty-eight".