71127274 has 4 divisors (see below), whose sum is σ = 106690914. Its totient is φ = 35563636.

The previous prime is 71127271. The next prime is 71127307. The reversal of 71127274 is 47272117.

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

It can be written as a sum of positive squares in only one way, i.e., 70476025 + 651249 = 8395^2 + 807^2 .

It is not an unprimeable number, because it can be changed into a prime (71127271) 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 as a sum of consecutive naturals, namely, 17781817 + ... + 17781820.

Almost surely, 2^71127274 is an apocalyptic number.

71127274 is a deficient number, since it is larger than the sum of its proper divisors (35563640).

71127274 is a wasteful number, since it uses less digits than its factorization.

71127274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35563639.

The product of its digits is 5488, while the sum is 31.

The square root of 71127274 is about 8433.6987140874. The cubic root of 71127274 is about 414.3290537413.

The spelling of 71127274 in words is "seventy-one million, one hundred twenty-seven thousand, two hundred seventy-four".