74054237731 has 2 divisors, whose sum is σ = 74054237732. Its totient is φ = 74054237730.

The previous prime is 74054237729. The next prime is 74054237801. The reversal of 74054237731 is 13773245047.

It is a weak prime.

It is an emirp because it is prime and its reverse (13773245047) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74054237731 - 2¹ = 74054237729 is a prime.

It is a super-2 number, since 2×74054237731² (a number of 23 digits) contains 22 as substring.

Together with 74054237729, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (74054237711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37027118865 + 37027118866.

It is an arithmetic number, because the mean of its divisors is an integer number (37027118866).

Almost surely, 2^74054237731 is an apocalyptic number.

74054237731 is a deficient number, since it is larger than the sum of its proper divisors (1).

74054237731 is an equidigital number, since it uses as much as digits as its factorization.

74054237731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 493920, while the sum is 43.

The spelling of 74054237731 in words is "seventy-four billion, fifty-four million, two hundred thirty-seven thousand, seven hundred thirty-one".