70712 has 8 divisors (see below), whose sum is σ = 132600. Its totient is φ = 35352.

The previous prime is 70709. The next prime is 70717. The reversal of 70712 is 21707.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a plaindrome in base 9.

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 as a sum of consecutive naturals, namely, 4412 + ... + 4427.

It is an arithmetic number, because the mean of its divisors is an integer number (16575).

2⁷⁰⁷¹² is an apocalyptic number.

It is an amenable number.

70712 is a deficient number, since it is larger than the sum of its proper divisors (61888).

70712 is a wasteful number, since it uses less digits than its factorization.

70712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8845 (or 8841 counting only the distinct ones).

The product of its (nonzero) digits is 98, while the sum is 17.

The square root of 70712 is about 265.9172803712. The cubic root of 70712 is about 41.3521130987.

The spelling of 70712 in words is "seventy thousand, seven hundred twelve", and thus it is an iban number.