73744538471723 has 32 divisors (see below), whose sum is σ = 87985515847680. Its totient is φ = 60476507815680.

The previous prime is 73744538471719. The next prime is 73744538471771. The reversal of 73744538471723 is 32717483544737.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 73744538471723 - 2² = 73744538471719 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 73744538471723.

It is not an unprimeable number, because it can be changed into a prime (73744538471783) 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, 176176586 + ... + 176594672.

It is an arithmetic number, because the mean of its divisors is an integer number (2749547370240).

Almost surely, 2^{73744538471723} is an apocalyptic number.

73744538471723 is a deficient number, since it is larger than the sum of its proper divisors (14240977375957).

73744538471723 is a wasteful number, since it uses less digits than its factorization.

73744538471723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427347.

The product of its digits is 331914240, while the sum is 65.

The spelling of 73744538471723 in words is "seventy-three trillion, seven hundred forty-four billion, five hundred thirty-eight million, four hundred seventy-one thousand, seven hundred twenty-three".