2100070 has 32 divisors (see below), whose sum is σ = 4550400. Its totient is φ = 681696.

The previous prime is 2100053. The next prime is 2100071. The reversal of 2100070 is 700012.

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 (2100071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 541 + ... + 2119.

It is an arithmetic number, because the mean of its divisors is an integer number (142200).

2^2100070 is an apocalyptic number.

2100070 is an abundant number, since it is smaller than the sum of its proper divisors (2450330).

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

2100070 is a wasteful number, since it uses less digits than its factorization.

2100070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1612.

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

The square root of 2100070 is about 1449.1618267123. The cubic root of 2100070 is about 128.0593393487.

Adding to 2100070 its reverse (700012), we get a palindrome (2800082).

The spelling of 2100070 in words is "two million, one hundred thousand, seventy".