71034031749 has 32 divisors (see below), whose sum is σ = 102321782784. Its totient is φ = 43705347840.

The previous prime is 71034031741. The next prime is 71034031751. The reversal of 71034031749 is 94713043017.

It is not a de Polignac number, because 71034031749 - 2³ = 71034031741 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71034031741) 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 in 31 ways as a sum of consecutive naturals, for example, 671572 + ... + 770114.

It is an arithmetic number, because the mean of its divisors is an integer number (3197555712).

Almost surely, 2^71034031749 is an apocalyptic number.

It is an amenable number.

71034031749 is a deficient number, since it is larger than the sum of its proper divisors (31287751035).

71034031749 is a wasteful number, since it uses less digits than its factorization.

71034031749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98937.

The product of its (nonzero) digits is 63504, while the sum is 39.

The spelling of 71034031749 in words is "seventy-one billion, thirty-four million, thirty-one thousand, seven hundred forty-nine".