74347731343 has 2 divisors, whose sum is σ = 74347731344. Its totient is φ = 74347731342.

The previous prime is 74347731233. The next prime is 74347731347. The reversal of 74347731343 is 34313774347.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74347731343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74347731293 and 74347731302.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74347731347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37173865671 + 37173865672.

It is an arithmetic number, because the mean of its divisors is an integer number (37173865672).

Almost surely, 2^74347731343 is an apocalyptic number.

74347731343 is a deficient number, since it is larger than the sum of its proper divisors (1).

74347731343 is an equidigital number, since it uses as much as digits as its factorization.

74347731343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1778112, while the sum is 46.

The spelling of 74347731343 in words is "seventy-four billion, three hundred forty-seven million, seven hundred thirty-one thousand, three hundred forty-three".