71313726 has 128 divisors (see below), whose sum is σ = 177292800. Its totient is φ = 18869760.

The previous prime is 71313703. The next prime is 71313751. The reversal of 71313726 is 62731317.

It is a junction number, because it is equal to n+sod(n) for n = 71313693 and 71313702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1345516 + ... + 1345568.

It is an arithmetic number, because the mean of its divisors is an integer number (1385100).

Almost surely, 2^71313726 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71313726, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88646400).

71313726 is an abundant number, since it is smaller than the sum of its proper divisors (105979074).

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

71313726 is a wasteful number, since it uses less digits than its factorization.

71313726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154.

The product of its digits is 5292, while the sum is 30.

The square root of 71313726 is about 8444.7454668569. The cubic root of 71313726 is about 414.6907765689.

The spelling of 71313726 in words is "seventy-one million, three hundred thirteen thousand, seven hundred twenty-six".