73816723 has 4 divisors (see below), whose sum is σ = 73869048. Its totient is φ = 73764400.

The previous prime is 73816711. The next prime is 73816741. The reversal of 73816723 is 32761837.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73816723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73816753) 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 3 ways as a sum of consecutive naturals, for example, 23986 + ... + 26887.

It is an arithmetic number, because the mean of its divisors is an integer number (18467262).

Almost surely, 2^73816723 is an apocalyptic number.

73816723 is a deficient number, since it is larger than the sum of its proper divisors (52325).

73816723 is a wasteful number, since it uses less digits than its factorization.

73816723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52324.

The product of its digits is 42336, while the sum is 37.

The square root of 73816723 is about 8591.6659036534. The cubic root of 73816723 is about 419.4867559082.

The spelling of 73816723 in words is "seventy-three million, eight hundred sixteen thousand, seven hundred twenty-three".