2172974 has 16 divisors (see below), whose sum is σ = 3499200. Its totient is φ = 1008384.

The previous prime is 2172967. The next prime is 2172977. The reversal of 2172974 is 4792712.

It is a self number, because there is not a number n which added to its sum of digits gives 2172974.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2172977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2282 + ... + 3090.

It is an arithmetic number, because the mean of its divisors is an integer number (218700).

2^2172974 is an apocalyptic number.

2172974 is a deficient number, since it is larger than the sum of its proper divisors (1326226).

2172974 is a wasteful number, since it uses less digits than its factorization.

2172974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907.

The product of its digits is 7056, while the sum is 32.

The square root of 2172974 is about 1474.1010820157. The cubic root of 2172974 is about 129.5243763835.

The spelling of 2172974 in words is "two million, one hundred seventy-two thousand, nine hundred seventy-four".