73406668 has 48 divisors (see below), whose sum is σ = 137741184. Its totient is φ = 34179840.

The previous prime is 73406657. The next prime is 73406681. The reversal of 73406668 is 86660437.

It is a self number, because there is not a number n which added to its sum of digits gives 73406668.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 424230 + ... + 424402.

It is an arithmetic number, because the mean of its divisors is an integer number (2869608).

Almost surely, 2^73406668 is an apocalyptic number.

It is an amenable number.

73406668 is a deficient number, since it is larger than the sum of its proper divisors (64334516).

73406668 is a wasteful number, since it uses less digits than its factorization.

73406668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322 (or 320 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 73406668 is about 8567.7691378795. The cubic root of 73406668 is about 418.7085576274.

The spelling of 73406668 in words is "seventy-three million, four hundred six thousand, six hundred sixty-eight".