71053528 has 96 divisors (see below), whose sum is σ = 170069760. Its totient is φ = 27578880.

The previous prime is 71053447. The next prime is 71053553. The reversal of 71053528 is 82535017.

It is a self number, because there is not a number n which added to its sum of digits gives 71053528.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 371913 + ... + 372103.

It is an arithmetic number, because the mean of its divisors is an integer number (1771560).

Almost surely, 2^71053528 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 71053528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85034880).

71053528 is an abundant number, since it is smaller than the sum of its proper divisors (99016232).

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

71053528 is a wasteful number, since it uses less digits than its factorization.

71053528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297 (or 286 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 71053528 is about 8429.3254771660. The cubic root of 71053528 is about 414.1858096907.

The spelling of 71053528 in words is "seventy-one million, fifty-three thousand, five hundred twenty-eight".