71458723 has 16 divisors (see below), whose sum is σ = 86192640. Its totient is φ = 57917376.

The previous prime is 71458703. The next prime is 71458741. The reversal of 71458723 is 32785417.

It is a cyclic number.

It is not a de Polignac number, because 71458723 - 2⁵ = 71458691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71458703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11836 + ... + 16822.

It is an arithmetic number, because the mean of its divisors is an integer number (5387040).

Almost surely, 2^71458723 is an apocalyptic number.

71458723 is a deficient number, since it is larger than the sum of its proper divisors (14733917).

71458723 is a wasteful number, since it uses less digits than its factorization.

71458723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5106.

The product of its digits is 47040, while the sum is 37.

The square root of 71458723 is about 8453.3261501021. The cubic root of 71458723 is about 414.9716398097.

It can be divided in two parts, 714587 and 23, that added together give a triangular number (714610 = T₁₁₉₅).

The spelling of 71458723 in words is "seventy-one million, four hundred fifty-eight thousand, seven hundred twenty-three".