71357713 has 4 divisors (see below), whose sum is σ = 81551680. Its totient is φ = 61163748.

The previous prime is 71357681. The next prime is 71357731. The reversal of 71357713 is 31775317.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 31775317 = 7 ⋅4539331.

It is a cyclic number.

It is not a de Polignac number, because 71357713 - 2⁵ = 71357681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71357773) 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, 5096973 + ... + 5096986.

It is an arithmetic number, because the mean of its divisors is an integer number (20387920).

Almost surely, 2^71357713 is an apocalyptic number.

It is an amenable number.

71357713 is a deficient number, since it is larger than the sum of its proper divisors (10193967).

71357713 is a wasteful number, since it uses less digits than its factorization.

71357713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10193966.

The product of its digits is 15435, while the sum is 34.

The square root of 71357713 is about 8447.3494659568. The cubic root of 71357713 is about 414.7760208133.

The spelling of 71357713 in words is "seventy-one million, three hundred fifty-seven thousand, seven hundred thirteen".