71342712 has 96 divisors (see below), whose sum is σ = 222000480. Its totient is φ = 20275200.

The previous prime is 71342699. The next prime is 71342729. The reversal of 71342712 is 21724317.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 177712 + ... + 178112.

It is an arithmetic number, because the mean of its divisors is an integer number (2312505).

Almost surely, 2^71342712 is an apocalyptic number.

71342712 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71342712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111000240).

71342712 is an abundant number, since it is smaller than the sum of its proper divisors (150657768).

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

71342712 is a wasteful number, since it uses less digits than its factorization.

71342712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773 (or 766 counting only the distinct ones).

The product of its digits is 2352, while the sum is 27.

The square root of 71342712 is about 8446.4615076374. The cubic root of 71342712 is about 414.7469536862.

The spelling of 71342712 in words is "seventy-one million, three hundred forty-two thousand, seven hundred twelve".