71084027 has 4 divisors (see below), whose sum is σ = 81238896. Its totient is φ = 60929160.

The previous prime is 71083973. The next prime is 71084063. The reversal of 71084027 is 72048017.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72048017 = 1657 ⋅43481.

It is a cyclic number.

It is not a de Polignac number, because 71084027 - 2¹⁰ = 71083003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71084227) 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 3 ways as a sum of consecutive naturals, for example, 5077424 + ... + 5077437.

It is an arithmetic number, because the mean of its divisors is an integer number (20309724).

Almost surely, 2^71084027 is an apocalyptic number.

71084027 is a deficient number, since it is larger than the sum of its proper divisors (10154869).

71084027 is a wasteful number, since it uses less digits than its factorization.

71084027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10154868.

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 71084027 is about 8431.1343839367. The cubic root of 71084027 is about 414.2450628874.

The spelling of 71084027 in words is "seventy-one million, eighty-four thousand, twenty-seven".