71040677438 has 8 divisors (see below), whose sum is σ = 111194103888. Its totient is φ = 33975976144.

The previous prime is 71040677423. The next prime is 71040677441. The reversal of 71040677438 is 83477604017.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 71040677392 and 71040677401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 772181231 + ... + 772181322.

It is an arithmetic number, because the mean of its divisors is an integer number (13899262986).

Almost surely, 2^71040677438 is an apocalyptic number.

71040677438 is a deficient number, since it is larger than the sum of its proper divisors (40153426450).

71040677438 is a wasteful number, since it uses less digits than its factorization.

71040677438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1544362578.

The product of its (nonzero) digits is 790272, while the sum is 47.

The spelling of 71040677438 in words is "seventy-one billion, forty million, six hundred seventy-seven thousand, four hundred thirty-eight".