71040726 has 20 divisors (see below), whose sum is σ = 159184212. Its totient is φ = 23680188.

The previous prime is 71040719. The next prime is 71040737. The reversal of 71040726 is 62704017.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 71040726.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 219100 + ... + 219423.

Almost surely, 2^71040726 is an apocalyptic number.

71040726 is an abundant number, since it is smaller than the sum of its proper divisors (88143486).

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

71040726 is a wasteful number, since it uses less digits than its factorization.

71040726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438537 (or 438528 counting only the distinct ones).

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

The square root of 71040726 is about 8428.5660702162. The cubic root of 71040726 is about 414.1609330220.

The spelling of 71040726 in words is "seventy-one million, forty thousand, seven hundred twenty-six".