2117070 has 32 divisors (see below), whose sum is σ = 5646240. Its totient is φ = 564480.

The previous prime is 2117053. The next prime is 2117077. The reversal of 2117070 is 707112.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2117077) 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, 3651 + ... + 4190.

It is an arithmetic number, because the mean of its divisors is an integer number (176445).

2^2117070 is an apocalyptic number.

2117070 is an abundant number, since it is smaller than the sum of its proper divisors (3529170).

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

2117070 is a wasteful number, since it uses less digits than its factorization.

2117070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7857 (or 7851 counting only the distinct ones).

The product of its (nonzero) digits is 98, while the sum is 18.

The square root of 2117070 is about 1455.0154638354. The cubic root of 2117070 is about 128.4039565555.

The spelling of 2117070 in words is "two million, one hundred seventeen thousand, seventy".