71745086 has 8 divisors (see below), whose sum is σ = 122991600. Its totient is φ = 30747888.

The previous prime is 71745071. The next prime is 71745097. The reversal of 71745086 is 68054717.

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

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, 2562311 + ... + 2562338.

It is an arithmetic number, because the mean of its divisors is an integer number (15373950).

Almost surely, 2^71745086 is an apocalyptic number.

71745086 is a deficient number, since it is larger than the sum of its proper divisors (51246514).

71745086 is a wasteful number, since it uses less digits than its factorization.

71745086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5124658.

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 71745086 is about 8470.2471038335. The cubic root of 71745086 is about 415.5252187854.

The spelling of 71745086 in words is "seventy-one million, seven hundred forty-five thousand, eighty-six".