70711 has 4 divisors (see below), whose sum is σ = 73024. Its totient is φ = 68400.

The previous prime is 70709. The next prime is 70717. The reversal of 70711 is 11707.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11707 = 23 ⋅509.

It is a cyclic number.

It is not a de Polignac number, because 70711 - 2¹ = 70709 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 (70717) 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, 1110 + ... + 1171.

It is an arithmetic number, because the mean of its divisors is an integer number (18256).

2⁷⁰⁷¹¹ is an apocalyptic number.

70711 is a deficient number, since it is larger than the sum of its proper divisors (2313).

70711 is a wasteful number, since it uses less digits than its factorization.

70711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2312.

The product of its (nonzero) digits is 49, while the sum is 16.

The square root of 70711 is about 265.9154000806. The cubic root of 70711 is about 41.3519181657.

It can be divided in two parts, 707 and 11, that multiplied together give a palindrome (7777).

The spelling of 70711 in words is "seventy thousand, seven hundred eleven", and thus it is an iban number.