71012055 has 16 divisors (see below), whose sum is σ = 113752800. Its totient is φ = 37828608.

The previous prime is 71012023. The next prime is 71012057. The reversal of 71012055 is 55021017.

It is not a de Polignac number, because 71012055 - 2⁵ = 71012023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71012057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13479 + ... + 17991.

It is an arithmetic number, because the mean of its divisors is an integer number (7109550).

Almost surely, 2^71012055 is an apocalyptic number.

71012055 is a deficient number, since it is larger than the sum of its proper divisors (42740745).

71012055 is a wasteful number, since it uses less digits than its factorization.

71012055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5570.

The product of its (nonzero) digits is 350, while the sum is 21.

The square root of 71012055 is about 8426.8650754596. The cubic root of 71012055 is about 414.1052090893.

The spelling of 71012055 in words is "seventy-one million, twelve thousand, fifty-five".