71011488 has 96 divisors (see below), whose sum is σ = 201398400. Its totient is φ = 21840896.

The previous prime is 71011481. The next prime is 71011489. The reversal of 71011488 is 88411017.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (71011481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63478 + ... + 64586.

It is an arithmetic number, because the mean of its divisors is an integer number (2097900).

Almost surely, 2^71011488 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 71011488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100699200).

71011488 is an abundant number, since it is smaller than the sum of its proper divisors (130386912).

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

71011488 is a wasteful number, since it uses less digits than its factorization.

71011488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174 (or 1166 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 30.

The square root of 71011488 is about 8426.8314329883. The cubic root of 71011488 is about 414.1041069371.

The spelling of 71011488 in words is "seventy-one million, eleven thousand, four hundred eighty-eight".