71265420327 has 8 divisors (see below), whose sum is σ = 95044172416. Its totient is φ = 47498474232.

The previous prime is 71265420287. The next prime is 71265420329. The reversal of 71265420327 is 72302456217.

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

It is not a de Polignac number, because 71265420327 - 2⁸ = 71265420071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71265420329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2937403 + ... + 2961564.

It is an arithmetic number, because the mean of its divisors is an integer number (11880521552).

Almost surely, 2^71265420327 is an apocalyptic number.

71265420327 is a deficient number, since it is larger than the sum of its proper divisors (23778752089).

71265420327 is a wasteful number, since it uses less digits than its factorization.

71265420327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5902997.

The product of its (nonzero) digits is 141120, while the sum is 39.

The spelling of 71265420327 in words is "seventy-one billion, two hundred sixty-five million, four hundred twenty thousand, three hundred twenty-seven".