71825055 has 8 divisors (see below), whose sum is σ = 114920112. Its totient is φ = 38306688.

The previous prime is 71825023. The next prime is 71825059. The reversal of 71825055 is 55052817.

It is a happy number.

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

It is not a de Polignac number, because 71825055 - 2⁵ = 71825023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71825059) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2394154 + ... + 2394183.

It is an arithmetic number, because the mean of its divisors is an integer number (14365014).

Almost surely, 2^71825055 is an apocalyptic number.

71825055 is a deficient number, since it is larger than the sum of its proper divisors (43095057).

71825055 is a wasteful number, since it uses less digits than its factorization.

71825055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4788345.

The product of its (nonzero) digits is 14000, while the sum is 33.

The square root of 71825055 is about 8474.9663716147. The cubic root of 71825055 is about 415.6795466503.

The spelling of 71825055 in words is "seventy-one million, eight hundred twenty-five thousand, fifty-five".