73743723 has 32 divisors (see below), whose sum is σ = 115214400. Its totient is φ = 46545408.

The previous prime is 73743721. The next prime is 73743743. The reversal of 73743723 is 32734737.

It is not a de Polignac number, because 73743723 - 2¹ = 73743721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73743721) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40611 + ... + 42387.

It is an arithmetic number, because the mean of its divisors is an integer number (3600450).

Almost surely, 2^73743723 is an apocalyptic number.

73743723 is a deficient number, since it is larger than the sum of its proper divisors (41470677).

73743723 is a wasteful number, since it uses less digits than its factorization.

73743723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1868 (or 1862 counting only the distinct ones).

The product of its digits is 74088, while the sum is 36.

The square root of 73743723 is about 8587.4165498129. The cubic root of 73743723 is about 419.3484284757.

The spelling of 73743723 in words is "seventy-three million, seven hundred forty-three thousand, seven hundred twenty-three".