74711809427 has 2 divisors, whose sum is σ = 74711809428. Its totient is φ = 74711809426.

The previous prime is 74711809369. The next prime is 74711809433. The reversal of 74711809427 is 72490811747.

It is a strong prime.

It is an emirp because it is prime and its reverse (72490811747) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74711809427 - 2⁸ = 74711809171 is a prime.

It is not a weakly prime, because it can be changed into another prime (74711809027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37355904713 + 37355904714.

It is an arithmetic number, because the mean of its divisors is an integer number (37355904714).

Almost surely, 2^74711809427 is an apocalyptic number.

74711809427 is a deficient number, since it is larger than the sum of its proper divisors (1).

74711809427 is an equidigital number, since it uses as much as digits as its factorization.

74711809427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 790272, while the sum is 50.

The spelling of 74711809427 in words is "seventy-four billion, seven hundred eleven million, eight hundred nine thousand, four hundred twenty-seven".