636070 has 8 divisors (see below), whose sum is σ = 1144944. Its totient is φ = 254424.

The previous prime is 636061. The next prime is 636071. The reversal of 636070 is 70636.

It is a happy number.

636070 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (636071) by changing a digit.

636070 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31794 + ... + 31813.

It is an arithmetic number, because the mean of its divisors is an integer number (143118).

2⁶³⁶⁰⁷⁰ is an apocalyptic number.

636070 is a deficient number, since it is larger than the sum of its proper divisors (508874).

636070 is a wasteful number, since it uses less digits than its factorization.

636070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63614.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 636070 is about 797.5399676505. The cubic root of 636070 is about 86.0006309671. Note that the first 3 decimals are identical.

The spelling of 636070 in words is "six hundred thirty-six thousand, seventy".