71260055 has 4 divisors (see below), whose sum is σ = 85512072. Its totient is φ = 57008040.

The previous prime is 71260031. The next prime is 71260087. The reversal of 71260055 is 55006217.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 71260055 - 2¹⁸ = 70997911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7126001 + ... + 7126010.

It is an arithmetic number, because the mean of its divisors is an integer number (21378018).

Almost surely, 2^71260055 is an apocalyptic number.

71260055 is a deficient number, since it is larger than the sum of its proper divisors (14252017).

71260055 is a wasteful number, since it uses less digits than its factorization.

71260055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14252016.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 71260055 is about 8441.5670938517. The cubic root of 71260055 is about 414.5867178050.

The spelling of 71260055 in words is "seventy-one million, two hundred sixty thousand, fifty-five".