71743814 has 12 divisors (see below), whose sum is σ = 110607084. Its totient is φ = 34901064.

The previous prime is 71743807. The next prime is 71743817. The reversal of 71743814 is 41834717.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71743817) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10364 + ... + 15839.

It is an arithmetic number, because the mean of its divisors is an integer number (9217257).

Almost surely, 2^71743814 is an apocalyptic number.

71743814 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

71743814 is a deficient number, since it is larger than the sum of its proper divisors (38863270).

71743814 is a wasteful number, since it uses less digits than its factorization.

71743814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26279 (or 26242 counting only the distinct ones).

The product of its digits is 18816, while the sum is 35.

The square root of 71743814 is about 8470.1720171435. The cubic root of 71743814 is about 415.5227630947.

The spelling of 71743814 in words is "seventy-one million, seven hundred forty-three thousand, eight hundred fourteen".