74000066719 has 2 divisors, whose sum is σ = 74000066720. Its totient is φ = 74000066718.

The previous prime is 74000066713. The next prime is 74000066743. The reversal of 74000066719 is 91766000047.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74000066719 is a prime.

It is a super-2 number, since 2×74000066719² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74000066713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37000033359 + 37000033360.

It is an arithmetic number, because the mean of its divisors is an integer number (37000033360).

Almost surely, 2^74000066719 is an apocalyptic number.

74000066719 is a deficient number, since it is larger than the sum of its proper divisors (1).

74000066719 is an equidigital number, since it uses as much as digits as its factorization.

74000066719 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 40.

The spelling of 74000066719 in words is "seventy-four billion, sixty-six thousand, seven hundred nineteen".