71040888 has 80 divisors (see below), whose sum is σ = 204427080. Its totient is φ = 23032512.

The previous prime is 71040883. The next prime is 71040911. The reversal of 71040888 is 88804017.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71040881) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 22495 + ... + 25457.

Almost surely, 2^71040888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71040888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102213540).

71040888 is an abundant number, since it is smaller than the sum of its proper divisors (133386192).

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

71040888 is a wasteful number, since it uses less digits than its factorization.

71040888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3018 (or 3005 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 36.

The square root of 71040888 is about 8428.5756803863. The cubic root of 71040888 is about 414.1612478368.

The spelling of 71040888 in words is "seventy-one million, forty thousand, eight hundred eighty-eight".