71274686 has 16 divisors (see below), whose sum is σ = 123150336. Its totient is φ = 30305016.

The previous prime is 71274649. The next prime is 71274689. The reversal of 71274686 is 68647217.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71274689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18266 + ... + 21821.

It is an arithmetic number, because the mean of its divisors is an integer number (7696896).

Almost surely, 2^71274686 is an apocalyptic number.

71274686 is a deficient number, since it is larger than the sum of its proper divisors (51875650).

71274686 is a wasteful number, since it uses less digits than its factorization.

71274686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40223.

The product of its digits is 112896, while the sum is 41.

The square root of 71274686 is about 8442.4336538702. The cubic root of 71274686 is about 414.6150899562.

The spelling of 71274686 in words is "seventy-one million, two hundred seventy-four thousand, six hundred eighty-six".