71146027 has 4 divisors (see below), whose sum is σ = 72207976. Its totient is φ = 70084080.

The previous prime is 71146007. The next prime is 71146063. The reversal of 71146027 is 72064117.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 71146027 - 2¹⁹ = 70621739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71145986 and 71146004.

It is not an unprimeable number, because it can be changed into a prime (71146007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 530874 + ... + 531007.

It is an arithmetic number, because the mean of its divisors is an integer number (18051994).

Almost surely, 2^71146027 is an apocalyptic number.

71146027 is a deficient number, since it is larger than the sum of its proper divisors (1061949).

71146027 is a wasteful number, since it uses less digits than its factorization.

71146027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061948.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 71146027 is about 8434.8104305906. The cubic root of 71146027 is about 414.3654637312.

The spelling of 71146027 in words is "seventy-one million, one hundred forty-six thousand, twenty-seven".