74444067331 has 2 divisors, whose sum is σ = 74444067332. Its totient is φ = 74444067330.

The previous prime is 74444067283. The next prime is 74444067389. The reversal of 74444067331 is 13376044447.

It is a weak prime.

It is an emirp because it is prime and its reverse (13376044447) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74444067331 is a prime.

It is a super-2 number, since 2×74444067331² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (74444367331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37222033665 + 37222033666.

It is an arithmetic number, because the mean of its divisors is an integer number (37222033666).

Almost surely, 2^74444067331 is an apocalyptic number.

74444067331 is a deficient number, since it is larger than the sum of its proper divisors (1).

74444067331 is an equidigital number, since it uses as much as digits as its factorization.

74444067331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 677376, while the sum is 43.

The spelling of 74444067331 in words is "seventy-four billion, four hundred forty-four million, sixty-seven thousand, three hundred thirty-one".