2172070 has 8 divisors (see below), whose sum is σ = 3909744. Its totient is φ = 868824.

The previous prime is 2172067. The next prime is 2172083. The reversal of 2172070 is 702712.

2172070 = 320² + 321² + ... + 339².

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108594 + ... + 108613.

It is an arithmetic number, because the mean of its divisors is an integer number (488718).

2^2172070 is an apocalyptic number.

2172070 is a deficient number, since it is larger than the sum of its proper divisors (1737674).

2172070 is a wasteful number, since it uses less digits than its factorization.

2172070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217214.

The product of its (nonzero) digits is 196, while the sum is 19.

The square root of 2172070 is about 1473.7944225705. The cubic root of 2172070 is about 129.5064123279.

Adding to 2172070 its reverse (702712), we get a palindrome (2874782).

The spelling of 2172070 in words is "two million, one hundred seventy-two thousand, seventy".