71256741 has 16 divisors (see below), whose sum is σ = 104068800. Its totient is φ = 43167488.

The previous prime is 71256727. The next prime is 71256743. The reversal of 71256741 is 14765217.

It is not a de Polignac number, because 71256741 - 2⁷ = 71256613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71256743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22611 + ... + 25568.

It is an arithmetic number, because the mean of its divisors is an integer number (6504300).

Almost surely, 2^71256741 is an apocalyptic number.

It is an amenable number.

71256741 is a deficient number, since it is larger than the sum of its proper divisors (32812059).

71256741 is a wasteful number, since it uses less digits than its factorization.

71256741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48228.

The product of its digits is 11760, while the sum is 33.

The square root of 71256741 is about 8441.3708010015. The cubic root of 71256741 is about 414.5802908211.

The spelling of 71256741 in words is "seventy-one million, two hundred fifty-six thousand, seven hundred forty-one".