71389652027 has 8 divisors (see below), whose sum is σ = 71867988192. Its totient is φ = 70912238400.

The previous prime is 71389652023. The next prime is 71389652057. The reversal of 71389652027 is 72025698317.

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

It is a cyclic number.

It is not a de Polignac number, because 71389652027 - 2² = 71389652023 is a prime.

It is a super-2 number, since 2×71389652027² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71389652021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74999 + ... + 385232.

It is an arithmetic number, because the mean of its divisors is an integer number (8983498524).

Almost surely, 2^71389652027 is an apocalyptic number.

71389652027 is a deficient number, since it is larger than the sum of its proper divisors (478336165).

71389652027 is a wasteful number, since it uses less digits than its factorization.

71389652027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461269.

The product of its (nonzero) digits is 1270080, while the sum is 50.

The spelling of 71389652027 in words is "seventy-one billion, three hundred eighty-nine million, six hundred fifty-two thousand, twenty-seven".