74078040402347 has 2 divisors, whose sum is σ = 74078040402348. Its totient is φ = 74078040402346.

The previous prime is 74078040402329. The next prime is 74078040402403. The reversal of 74078040402347 is 74320404087047.

It is a weak prime.

It is an emirp because it is prime and its reverse (74320404087047) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74078040402347 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74078040402295 and 74078040402304.

It is not a weakly prime, because it can be changed into another prime (74078042402347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37039020201173 + 37039020201174.

It is an arithmetic number, because the mean of its divisors is an integer number (37039020201174).

Almost surely, 2^{74078040402347} is an apocalyptic number.

74078040402347 is a deficient number, since it is larger than the sum of its proper divisors (1).

74078040402347 is an equidigital number, since it uses as much as digits as its factorization.

74078040402347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4214784, while the sum is 50.

The spelling of 74078040402347 in words is "seventy-four trillion, seventy-eight billion, forty million, four hundred two thousand, three hundred forty-seven".