70713 has 14 divisors (see below), whose sum is σ = 107114. Its totient is φ = 46656.

The previous prime is 70709. The next prime is 70717. The reversal of 70713 is 31707.

It is an interprime number because it is at equal distance from previous prime (70709) and next prime (70717).

It can be written as a sum of positive squares in only one way, i.e., 59049 + 11664 = 243^2 + 108^2 .

It is not a de Polignac number, because 70713 - 2² = 70709 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 681 + ... + 777.

It is an arithmetic number, because the mean of its divisors is an integer number (7651).

2⁷⁰⁷¹³ is an apocalyptic number.

It is an amenable number.

70713 is a deficient number, since it is larger than the sum of its proper divisors (36401).

70713 is an frugal number, since it uses more digits than its factorization.

70713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 147, while the sum is 18.

The square root of 70713 is about 265.9191606485. The cubic root of 70713 is about 41.3523080299.

The spelling of 70713 in words is "seventy thousand, seven hundred thirteen".