71311741 has 4 divisors (see below), whose sum is σ = 72004192. Its totient is φ = 70619292.

The previous prime is 71311739. The next prime is 71311771. The reversal of 71311741 is 14711317.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 71311741 - 2¹ = 71311739 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71311771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 346071 + ... + 346276.

It is an arithmetic number, because the mean of its divisors is an integer number (18001048).

Almost surely, 2^71311741 is an apocalyptic number.

It is an amenable number.

71311741 is a deficient number, since it is larger than the sum of its proper divisors (692451).

71311741 is a wasteful number, since it uses less digits than its factorization.

71311741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692450.

The product of its digits is 588, while the sum is 25.

The square root of 71311741 is about 8444.6279373339. The cubic root of 71311741 is about 414.6869289280.

The spelling of 71311741 in words is "seventy-one million, three hundred eleven thousand, seven hundred forty-one".