2172674 has 8 divisors (see below), whose sum is σ = 3724608. Its totient is φ = 931140.

The previous prime is 2172673. The next prime is 2172679. The reversal of 2172674 is 4762712.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2172673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77582 + ... + 77609.

It is an arithmetic number, because the mean of its divisors is an integer number (465576).

2^2172674 is an apocalyptic number.

2172674 is a deficient number, since it is larger than the sum of its proper divisors (1551934).

2172674 is a wasteful number, since it uses less digits than its factorization.

2172674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155200.

The product of its digits is 4704, while the sum is 29.

The square root of 2172674 is about 1473.9993215738. Note that the first 3 decimals coincide. The cubic root of 2172674 is about 129.5184154131.

The spelling of 2172674 in words is "two million, one hundred seventy-two thousand, six hundred seventy-four".