4172769 has 16 divisors (see below), whose sum is σ = 6546240. Its totient is φ = 2617920.

The previous prime is 4172759. The next prime is 4172783. The reversal of 4172769 is 9672714.

It is a happy number.

It is not a de Polignac number, because 4172769 - 2⁵ = 4172737 is a prime.

It is a super-2 number, since 2×4172769² = 34824002254722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (4172719) 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, 4087 + ... + 5004.

It is an arithmetic number, because the mean of its divisors is an integer number (409140).

Almost surely, 2^4172769 is an apocalyptic number.

It is an amenable number.

4172769 is a deficient number, since it is larger than the sum of its proper divisors (2373471).

4172769 is a wasteful number, since it uses less digits than its factorization.

4172769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9117 (or 9111 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 4172769 is about 2042.7356657189. The cubic root of 4172769 is about 160.9934156226.

Subtracting 4172769 from its reverse (9672714), we obtain a palindrome (5499945).

The spelling of 4172769 in words is "four million, one hundred seventy-two thousand, seven hundred sixty-nine".