71345862 has 72 divisors (see below), whose sum is σ = 187692336. Its totient is φ = 19492704.

The previous prime is 71345861. The next prime is 71345867. The reversal of 71345862 is 26854317.

71345862 is a `hidden beast` number, since 71 + 3 + 4 + 586 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71345861) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 18528 + ... + 22044.

It is an arithmetic number, because the mean of its divisors is an integer number (2606838).

Almost surely, 2^71345862 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71345862, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93846168).

71345862 is an abundant number, since it is smaller than the sum of its proper divisors (116346474).

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

71345862 is a wasteful number, since it uses less digits than its factorization.

71345862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3562 (or 3552 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 71345862 is about 8446.6479741966. The cubic root of 71345862 is about 414.7530577139.

It can be divided in two parts, 7134 and 5862, that added together give a square (12996 = 114²).

The spelling of 71345862 in words is "seventy-one million, three hundred forty-five thousand, eight hundred sixty-two".