71075255 has 4 divisors (see below), whose sum is σ = 85290312. Its totient is φ = 56860200.

The previous prime is 71075203. The next prime is 71075269. The reversal of 71075255 is 55257017.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55257017 = 23 ⋅2402479.

It is not a de Polignac number, because 71075255 - 2¹² = 71071159 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, 7107521 + ... + 7107530.

It is an arithmetic number, because the mean of its divisors is an integer number (21322578).

Almost surely, 2^71075255 is an apocalyptic number.

71075255 is a deficient number, since it is larger than the sum of its proper divisors (14215057).

71075255 is a wasteful number, since it uses less digits than its factorization.

71075255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14215056.

The product of its (nonzero) digits is 12250, while the sum is 32.

The square root of 71075255 is about 8430.6141531919. The cubic root of 71075255 is about 414.2280224573.

The spelling of 71075255 in words is "seventy-one million, seventy-five thousand, two hundred fifty-five".