71025055 has 8 divisors (see below), whose sum is σ = 85360752. Its totient is φ = 56732928.

The previous prime is 71025041. The next prime is 71025077. The reversal of 71025055 is 55052017.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 71025055 - 2⁹ = 71024543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7189 + ... + 13918.

It is an arithmetic number, because the mean of its divisors is an integer number (10670094).

Almost surely, 2^71025055 is an apocalyptic number.

71025055 is a deficient number, since it is larger than the sum of its proper divisors (14335697).

71025055 is a wasteful number, since it uses less digits than its factorization.

71025055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21785.

The product of its (nonzero) digits is 1750, while the sum is 25.

The square root of 71025055 is about 8427.6363827588. The cubic root of 71025055 is about 414.1304772837.

The spelling of 71025055 in words is "seventy-one million, twenty-five thousand, fifty-five".