73864973 has 8 divisors (see below), whose sum is σ = 90910848. Its totient is φ = 58442544.

The previous prime is 73864969. The next prime is 73864993. The reversal of 73864973 is 37946837.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 73864973 - 2² = 73864969 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73864963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 405761 + ... + 405942.

It is an arithmetic number, because the mean of its divisors is an integer number (11363856).

Almost surely, 2^73864973 is an apocalyptic number.

It is an amenable number.

73864973 is a deficient number, since it is larger than the sum of its proper divisors (17045875).

73864973 is a wasteful number, since it uses less digits than its factorization.

73864973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811723.

The product of its digits is 762048, while the sum is 47.

The square root of 73864973 is about 8594.4733986440. The cubic root of 73864973 is about 419.5781346039.

The spelling of 73864973 in words is "seventy-three million, eight hundred sixty-four thousand, nine hundred seventy-three".