73866868 has 6 divisors (see below), whose sum is σ = 129267026. Its totient is φ = 36933432.

The previous prime is 73866847. The next prime is 73866901. The reversal of 73866868 is 86866837.

It can be written as a sum of positive squares in only one way, i.e., 53993104 + 19873764 = 7348^2 + 4458^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9233355 + ... + 9233362.

Almost surely, 2^73866868 is an apocalyptic number.

It is an amenable number.

73866868 is a deficient number, since it is larger than the sum of its proper divisors (55400158).

73866868 is a wasteful number, since it uses less digits than its factorization.

73866868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18466721 (or 18466719 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 52.

The square root of 73866868 is about 8594.5836432023. The cubic root of 73866868 is about 419.5817226544.

The spelling of 73866868 in words is "seventy-three million, eight hundred sixty-six thousand, eight hundred sixty-eight".