71252880 has 160 divisors (see below), whose sum is σ = 233223168. Its totient is φ = 17971200.

The previous prime is 71252879. The next prime is 71252897. The reversal of 71252880 is 8825217.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 453762 + ... + 453918.

Almost surely, 2^71252880 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 71252880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116611584).

71252880 is an abundant number, since it is smaller than the sum of its proper divisors (161970288).

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

71252880 is a wasteful number, since it uses less digits than its factorization.

71252880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265 (or 259 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 33.

The square root of 71252880 is about 8441.1421028200. The cubic root of 71252880 is about 414.5728027650.

The spelling of 71252880 in words is "seventy-one million, two hundred fifty-two thousand, eight hundred eighty".