71402758063 has 54 divisors (see below), whose sum is σ = 94072612536. Its totient is φ = 53054936064.

The previous prime is 71402758033. The next prime is 71402758123. The reversal of 71402758063 is 36085720417.

It is not a de Polignac number, because 71402758063 - 2⁹ = 71402757551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71402758033) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 156242131 + ... + 156242587.

Almost surely, 2^71402758063 is an apocalyptic number.

71402758063 is a deficient number, since it is larger than the sum of its proper divisors (22669854473).

71402758063 is an equidigital number, since it uses as much as digits as its factorization.

71402758063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981 (or 494 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 43.

The spelling of 71402758063 in words is "seventy-one billion, four hundred two million, seven hundred fifty-eight thousand, sixty-three".