73723966 has 4 divisors (see below), whose sum is σ = 110585952. Its totient is φ = 36861982.

The previous prime is 73723939. The next prime is 73723997. The reversal of 73723966 is 66932737.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 18430990 + ... + 18430993.

It is an arithmetic number, because the mean of its divisors is an integer number (27646488).

Almost surely, 2^73723966 is an apocalyptic number.

73723966 is a deficient number, since it is larger than the sum of its proper divisors (36861986).

73723966 is a wasteful number, since it uses less digits than its factorization.

73723966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36861985.

The product of its digits is 285768, while the sum is 43.

The square root of 73723966 is about 8586.2661267864. The cubic root of 73723966 is about 419.3109753133.

The spelling of 73723966 in words is "seventy-three million, seven hundred twenty-three thousand, nine hundred sixty-six".