71672501743 has 2 divisors, whose sum is σ = 71672501744. Its totient is φ = 71672501742.

The previous prime is 71672501741. The next prime is 71672501777. The reversal of 71672501743 is 34710527617.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71672501743 - 2¹ = 71672501741 is a prime.

It is a super-2 number, since 2×71672501743² (a number of 23 digits) contains 22 as substring.

Together with 71672501741, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 71672501743.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71672501741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35836250871 + 35836250872.

It is an arithmetic number, because the mean of its divisors is an integer number (35836250872).

Almost surely, 2^71672501743 is an apocalyptic number.

71672501743 is a deficient number, since it is larger than the sum of its proper divisors (1).

71672501743 is an equidigital number, since it uses as much as digits as its factorization.

71672501743 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 246960, while the sum is 43.

The spelling of 71672501743 in words is "seventy-one billion, six hundred seventy-two million, five hundred one thousand, seven hundred forty-three".