4172705 has 8 divisors (see below), whose sum is σ = 5089704. Its totient is φ = 3283200.

The previous prime is 4172699. The next prime is 4172711. The reversal of 4172705 is 5072714.

It is an interprime number because it is at equal distance from previous prime (4172699) and next prime (4172711).

It can be written as a sum of positive squares in 4 ways, for example, as 327184 + 3845521 = 572^2 + 1961^2 .

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

It is not a de Polignac number, because 4172705 - 2²⁰ = 3124129 is a prime.

It is a super-2 number, since 2×4172705² = 34822934034050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6536 + ... + 7145.

It is an arithmetic number, because the mean of its divisors is an integer number (636213).

Almost surely, 2^4172705 is an apocalyptic number.

It is an amenable number.

4172705 is a deficient number, since it is larger than the sum of its proper divisors (916999).

4172705 is a wasteful number, since it uses less digits than its factorization.

4172705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13747.

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 4172705 is about 2042.7200003916. The cubic root of 4172705 is about 160.9925925376.

Subtracting 4172705 from its reverse (5072714), we obtain a palindrome (900009).

The spelling of 4172705 in words is "four million, one hundred seventy-two thousand, seven hundred five".