71453814 has 16 divisors (see below), whose sum is σ = 145251120. Its totient is φ = 23427360.

The previous prime is 71453803. The next prime is 71453843. The reversal of 71453814 is 41835417.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97249 + ... + 97980.

It is an arithmetic number, because the mean of its divisors is an integer number (9078195).

Almost surely, 2^71453814 is an apocalyptic number.

71453814 is an abundant number, since it is smaller than the sum of its proper divisors (73797306).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71453814 is a wasteful number, since it uses less digits than its factorization.

71453814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195295.

The product of its digits is 13440, while the sum is 33.

The square root of 71453814 is about 8453.0357860357. The cubic root of 71453814 is about 414.9621371563.

The spelling of 71453814 in words is "seventy-one million, four hundred fifty-three thousand, eight hundred fourteen".