74043703709 has 2 divisors, whose sum is σ = 74043703710. Its totient is φ = 74043703708.

The previous prime is 74043703681. The next prime is 74043703753. The reversal of 74043703709 is 90730734047.

It is an a-pointer prime, because the next prime (74043703753) can be obtained adding 74043703709 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51052046809 + 22991656900 = 225947^2 + 151630^2 .

It is a cyclic number.

It is not a de Polignac number, because 74043703709 - 2²⁰ = 74042655133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74043703709.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74043703109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37021851854 + 37021851855.

It is an arithmetic number, because the mean of its divisors is an integer number (37021851855).

Almost surely, 2^74043703709 is an apocalyptic number.

It is an amenable number.

74043703709 is a deficient number, since it is larger than the sum of its proper divisors (1).

74043703709 is an equidigital number, since it uses as much as digits as its factorization.

74043703709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 444528, while the sum is 44.

The spelling of 74043703709 in words is "seventy-four billion, forty-three million, seven hundred three thousand, seven hundred nine".