74370780139 has 2 divisors, whose sum is σ = 74370780140. Its totient is φ = 74370780138.

The previous prime is 74370780119. The next prime is 74370780181. The reversal of 74370780139 is 93108707347.

It is a weak prime.

It is an emirp because it is prime and its reverse (93108707347) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74370780139 - 2¹⁵ = 74370747371 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74370780092 and 74370780101.

It is not a weakly prime, because it can be changed into another prime (74370780119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37185390069 + 37185390070.

It is an arithmetic number, because the mean of its divisors is an integer number (37185390070).

Almost surely, 2^74370780139 is an apocalyptic number.

74370780139 is a deficient number, since it is larger than the sum of its proper divisors (1).

74370780139 is an equidigital number, since it uses as much as digits as its factorization.

74370780139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 889056, while the sum is 49.

The spelling of 74370780139 in words is "seventy-four billion, three hundred seventy million, seven hundred eighty thousand, one hundred thirty-nine".