210070 has 16 divisors (see below), whose sum is σ = 432288. Its totient is φ = 72000.

The previous prime is 210053. The next prime is 210071. The reversal of 210070 is 70012.

210070 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210071) by changing a digit.

210070 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 7 ways as a sum of consecutive naturals, for example, 1431 + ... + 1570.

It is an arithmetic number, because the mean of its divisors is an integer number (27018).

2²¹⁰⁰⁷⁰ is an apocalyptic number.

210070 is an abundant number, since it is smaller than the sum of its proper divisors (222218).

It is a weird number, because it is abundant, but not a pseudoperfect number.

210070 is a wasteful number, since it uses less digits than its factorization.

210070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3015.

The product of its (nonzero) digits is 14, while the sum is 10.

The square root of 210070 is about 458.3339393935. Note that the first 3 decimals coincide. The cubic root of 210070 is about 59.4458231517.

Adding to 210070 its reverse (70012), we get a palindrome (280082).

The spelling of 210070 in words is "two hundred ten thousand, seventy", and thus it is an iban number.