71050528 has 24 divisors (see below), whose sum is σ = 142523388. Its totient is φ = 34854144.

The previous prime is 71050523. The next prime is 71050541. The reversal of 71050528 is 82505017.

It can be written as a sum of positive squares in 2 ways, for example, as 62916624 + 8133904 = 7932^2 + 2852^2 .

It is a junction number, because it is equal to n+sod(n) for n = 71050496 and 71050505.

It is not an unprimeable number, because it can be changed into a prime (71050523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19251 + ... + 22642.

Almost surely, 2^71050528 is an apocalyptic number.

It is an amenable number.

71050528 is an abundant number, since it is smaller than the sum of its proper divisors (71472860).

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

71050528 is a wasteful number, since it uses less digits than its factorization.

71050528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41956 (or 41948 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 71050528 is about 8429.1475251060. The cubic root of 71050528 is about 414.1799804004.

The spelling of 71050528 in words is "seventy-one million, fifty thousand, five hundred twenty-eight".