71744872960667 has 2 divisors, whose sum is σ = 71744872960668. Its totient is φ = 71744872960666.

The previous prime is 71744872960613. The next prime is 71744872960703. The reversal of 71744872960667 is 76606927844717.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71744872960667 - 2⁶ = 71744872960603 is a prime.

It is a super-2 number, since 2×71744872960667² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 71744872960594 and 71744872960603.

It is not a weakly prime, because it can be changed into another prime (71744872962667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35872436480333 + 35872436480334.

It is an arithmetic number, because the mean of its divisors is an integer number (35872436480334).

Almost surely, 2^{71744872960667} is an apocalyptic number.

71744872960667 is a deficient number, since it is larger than the sum of its proper divisors (1).

71744872960667 is an equidigital number, since it uses as much as digits as its factorization.

71744872960667 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1194891264, while the sum is 74.

The spelling of 71744872960667 in words is "seventy-one trillion, seven hundred forty-four billion, eight hundred seventy-two million, nine hundred sixty thousand, six hundred sixty-seven".