71255723 has 8 divisors (see below), whose sum is σ = 88838400. Its totient is φ = 55523880.

The previous prime is 71255711. The next prime is 71255741. The reversal of 71255723 is 32755217.

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

It is a cyclic number.

It is not a de Polignac number, because 71255723 - 2⁸ = 71255467 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 71255723.

It is not an unprimeable number, because it can be changed into a prime (71255753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 462623 + ... + 462776.

It is an arithmetic number, because the mean of its divisors is an integer number (11104800).

Almost surely, 2^71255723 is an apocalyptic number.

71255723 is a deficient number, since it is larger than the sum of its proper divisors (17582677).

71255723 is a wasteful number, since it uses less digits than its factorization.

71255723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925417.

The product of its digits is 14700, while the sum is 32.

The square root of 71255723 is about 8441.3105025227. The cubic root of 71255723 is about 414.5783165295.

The spelling of 71255723 in words is "seventy-one million, two hundred fifty-five thousand, seven hundred twenty-three".