71427420682 has 8 divisors (see below), whose sum is σ = 107234058276. Its totient is φ = 35682734592.

The previous prime is 71427420661. The next prime is 71427420697. The reversal of 71427420682 is 28602472417.

It can be written as a sum of positive squares in 2 ways, for example, as 71225468161 + 201952521 = 266881^2 + 14211^2 .

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

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, 15484993 + ... + 15489604.

Almost surely, 2^71427420682 is an apocalyptic number.

71427420682 is a deficient number, since it is larger than the sum of its proper divisors (35806637594).

71427420682 is a wasteful number, since it uses less digits than its factorization.

71427420682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30975752.

The product of its (nonzero) digits is 301056, while the sum is 43.

The spelling of 71427420682 in words is "seventy-one billion, four hundred twenty-seven million, four hundred twenty thousand, six hundred eighty-two".