71752680989 has 16 divisors (see below), whose sum is σ = 80524682496. Its totient is φ = 63375782400.

The previous prime is 71752680973. The next prime is 71752681027. The reversal of 71752680989 is 98908625717.

It is a cyclic number.

It is not a de Polignac number, because 71752680989 - 2⁴ = 71752680973 is a prime.

It is a super-3 number, since 3×71752680989³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71752680919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 435692 + ... + 577349.

It is an arithmetic number, because the mean of its divisors is an integer number (5032792656).

Almost surely, 2^71752680989 is an apocalyptic number.

It is an amenable number.

71752680989 is a deficient number, since it is larger than the sum of its proper divisors (8772001507).

71752680989 is a wasteful number, since it uses less digits than its factorization.

71752680989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013236.

The product of its (nonzero) digits is 15240960, while the sum is 62.

The spelling of 71752680989 in words is "seventy-one billion, seven hundred fifty-two million, six hundred eighty thousand, nine hundred eighty-nine".