74305192309343 has 4 divisors (see below), whose sum is σ = 76867440320040. Its totient is φ = 71742944298648.

The previous prime is 74305192309339. The next prime is 74305192309367. The reversal of 74305192309343 is 34390329150347.

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

It is a cyclic number.

It is not a de Polignac number, because 74305192309343 - 2² = 74305192309339 is a prime.

It is a super-2 number, since 2×74305192309343² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74305192309303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1281124005305 + ... + 1281124005362.

It is an arithmetic number, because the mean of its divisors is an integer number (19216860080010).

Almost surely, 2^{74305192309343} is an apocalyptic number.

74305192309343 is a deficient number, since it is larger than the sum of its proper divisors (2562248010697).

74305192309343 is a wasteful number, since it uses less digits than its factorization.

74305192309343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2562248010696.

The product of its (nonzero) digits is 7348320, while the sum is 53.

The spelling of 74305192309343 in words is "seventy-four trillion, three hundred five billion, one hundred ninety-two million, three hundred nine thousand, three hundred forty-three".