71243676 has 36 divisors (see below), whose sum is σ = 205815792. Its totient is φ = 20355264.

The previous prime is 71243663. The next prime is 71243677. The reversal of 71243676 is 67634217.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×71243676² = 10151322739985952, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 71243676.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71243677) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 141105 + ... + 141608.

Almost surely, 2^71243676 is an apocalyptic number.

It is an amenable number.

71243676 is an abundant number, since it is smaller than the sum of its proper divisors (134572116).

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

71243676 is a wasteful number, since it uses less digits than its factorization.

71243676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282730 (or 282725 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 71243676 is about 8440.5968983242. The cubic root of 71243676 is about 414.5549513584.

The spelling of 71243676 in words is "seventy-one million, two hundred forty-three thousand, six hundred seventy-six".