4172668 has 6 divisors (see below), whose sum is σ = 7302176. Its totient is φ = 2086332.

The previous prime is 4172653. The next prime is 4172681. The reversal of 4172668 is 8662714.

It is a super-2 number, since 2×4172668² = 34822316476448, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521580 + ... + 521587.

Almost surely, 2^4172668 is an apocalyptic number.

It is an amenable number.

4172668 is a deficient number, since it is larger than the sum of its proper divisors (3129508).

4172668 is a wasteful number, since it uses less digits than its factorization.

4172668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043171 (or 1043169 counting only the distinct ones).

The product of its digits is 16128, while the sum is 34.

The square root of 4172668 is about 2042.7109438195. The cubic root of 4172668 is about 160.9921166877.

The spelling of 4172668 in words is "four million, one hundred seventy-two thousand, six hundred sixty-eight".