71825434351 has 24 divisors (see below), whose sum is σ = 80182699520. Its totient is φ = 64282870080.

The previous prime is 71825434349. The next prime is 71825434423. The reversal of 71825434351 is 15343452817.

It is a happy number.

It is not a de Polignac number, because 71825434351 - 2¹ = 71825434349 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 71825434298 and 71825434307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71825434321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2053330 + ... + 2088016.

Almost surely, 2^71825434351 is an apocalyptic number.

71825434351 is a deficient number, since it is larger than the sum of its proper divisors (8357265169).

71825434351 is a wasteful number, since it uses less digits than its factorization.

71825434351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34975 (or 34964 counting only the distinct ones).

The product of its digits is 403200, while the sum is 43.

The spelling of 71825434351 in words is "seventy-one billion, eight hundred twenty-five million, four hundred thirty-four thousand, three hundred fifty-one".