71023255 has 4 divisors (see below), whose sum is σ = 85227912. Its totient is φ = 56818600.

The previous prime is 71023237. The next prime is 71023307. The reversal of 71023255 is 55232017.

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

It is not a de Polignac number, because 71023255 - 2¹¹ = 71021207 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 3 ways as a sum of consecutive naturals, for example, 7102321 + ... + 7102330.

It is an arithmetic number, because the mean of its divisors is an integer number (21306978).

Almost surely, 2^71023255 is an apocalyptic number.

71023255 is a deficient number, since it is larger than the sum of its proper divisors (14204657).

71023255 is a wasteful number, since it uses less digits than its factorization.

71023255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14204656.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 71023255 is about 8427.5295905740. The cubic root of 71023255 is about 414.1269787946.

The spelling of 71023255 in words is "seventy-one million, twenty-three thousand, two hundred fifty-five".