71041504 has 48 divisors (see below), whose sum is σ = 151584048. Its totient is φ = 32643072.

The previous prime is 71041501. The next prime is 71041519. The reversal of 71041504 is 40514017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71041501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21874 + ... + 24910.

It is an arithmetic number, because the mean of its divisors is an integer number (3158001).

Almost surely, 2^71041504 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 71041504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75792024).

71041504 is an abundant number, since it is smaller than the sum of its proper divisors (80542544).

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

71041504 is a wasteful number, since it uses less digits than its factorization.

71041504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3107 (or 3099 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 71041504 is about 8428.6122226616. The cubic root of 71041504 is about 414.1624449061.

The spelling of 71041504 in words is "seventy-one million, forty-one thousand, five hundred four".