71054738421 has 8 divisors (see below), whose sum is σ = 95091844320. Its totient is φ = 47193729072.

The previous prime is 71054738407. The next prime is 71054738431. The reversal of 71054738421 is 12483745017.

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

It is not a de Polignac number, because 71054738421 - 2⁵ = 71054738389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71054738431) 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 7 ways as a sum of consecutive naturals, for example, 44023195 + ... + 44024808.

It is an arithmetic number, because the mean of its divisors is an integer number (11886480540).

Almost surely, 2^71054738421 is an apocalyptic number.

It is an amenable number.

71054738421 is a deficient number, since it is larger than the sum of its proper divisors (24037105899).

71054738421 is a wasteful number, since it uses less digits than its factorization.

71054738421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88048275.

The product of its (nonzero) digits is 188160, while the sum is 42.

The spelling of 71054738421 in words is "seventy-one billion, fifty-four million, seven hundred thirty-eight thousand, four hundred twenty-one".