71055258 has 16 divisors (see below), whose sum is σ = 145134720. Its totient is φ = 23181056.

The previous prime is 71055253. The next prime is 71055311. The reversal of 71055258 is 85255017.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (71055251) 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, 125703 + ... + 126266.

It is an arithmetic number, because the mean of its divisors is an integer number (9070920).

Almost surely, 2^71055258 is an apocalyptic number.

71055258 is an abundant number, since it is smaller than the sum of its proper divisors (74079462).

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

71055258 is a wasteful number, since it uses less digits than its factorization.

71055258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252021.

The product of its (nonzero) digits is 14000, while the sum is 33.

The square root of 71055258 is about 8429.4280944795. The cubic root of 71055258 is about 414.1891711735.

The spelling of 71055258 in words is "seventy-one million, fifty-five thousand, two hundred fifty-eight".