70704 has 30 divisors (see below), whose sum is σ = 198276. Its totient is φ = 23520.

The previous prime is 70687. The next prime is 70709. The reversal of 70704 is 40707.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (70709) by changing a digit.

70704 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 102 + ... + 389.

2⁷⁰⁷⁰⁴ is an apocalyptic number.

It is an amenable number.

70704 is an abundant number, since it is smaller than the sum of its proper divisors (127572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70704 is a wasteful number, since it uses less digits than its factorization.

70704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505 (or 496 counting only the distinct ones).

The product of its (nonzero) digits is 196, while the sum is 18.

The square root of 70704 is about 265.9022376739. The cubic root of 70704 is about 41.3505535832.

The spelling of 70704 in words is "seventy thousand, seven hundred four", and thus it is an iban number.