74223567793 has 2 divisors, whose sum is σ = 74223567794. Its totient is φ = 74223567792.

The previous prime is 74223567731. The next prime is 74223567839. The reversal of 74223567793 is 39776532247.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63417341584 + 10806226209 = 251828^2 + 103953^2 .

It is an emirp because it is prime and its reverse (39776532247) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74223567793 is a prime.

It is not a weakly prime, because it can be changed into another prime (74223567493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37111783896 + 37111783897.

It is an arithmetic number, because the mean of its divisors is an integer number (37111783897).

Almost surely, 2^74223567793 is an apocalyptic number.

It is an amenable number.

74223567793 is a deficient number, since it is larger than the sum of its proper divisors (1).

74223567793 is an equidigital number, since it uses as much as digits as its factorization.

74223567793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13335840, while the sum is 55.

The spelling of 74223567793 in words is "seventy-four billion, two hundred twenty-three million, five hundred sixty-seven thousand, seven hundred ninety-three".