74281440719 has 2 divisors, whose sum is σ = 74281440720. Its totient is φ = 74281440718.

The previous prime is 74281440661. The next prime is 74281440787. The reversal of 74281440719 is 91704418247.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74281440719 - 2¹² = 74281436623 is a prime.

It is a super-2 number, since 2×74281440719² (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 (74281440119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37140720359 + 37140720360.

It is an arithmetic number, because the mean of its divisors is an integer number (37140720360).

Almost surely, 2^74281440719 is an apocalyptic number.

74281440719 is a deficient number, since it is larger than the sum of its proper divisors (1).

74281440719 is an equidigital number, since it uses as much as digits as its factorization.

74281440719 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 451584, while the sum is 47.

The spelling of 74281440719 in words is "seventy-four billion, two hundred eighty-one million, four hundred forty thousand, seven hundred nineteen".