4170745 has 4 divisors (see below), whose sum is σ = 5004900. Its totient is φ = 3336592.

The previous prime is 4170743. The next prime is 4170757. The reversal of 4170745 is 5470714.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5470714 = 2 ⋅2735357.

It can be written as a sum of positive squares in 2 ways, for example, as 2585664 + 1585081 = 1608^2 + 1259^2 .

It is a cyclic number.

It is not a de Polignac number, because 4170745 - 2¹ = 4170743 is a prime.

It is a super-2 number, since 2×4170745² = 34790227710050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4170743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 417070 + ... + 417079.

It is an arithmetic number, because the mean of its divisors is an integer number (1251225).

Almost surely, 2^4170745 is an apocalyptic number.

It is an amenable number.

4170745 is a deficient number, since it is larger than the sum of its proper divisors (834155).

4170745 is an equidigital number, since it uses as much as digits as its factorization.

4170745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834154.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 4170745 is about 2042.2401915544. The cubic root of 4170745 is about 160.9673814814.

The spelling of 4170745 in words is "four million, one hundred seventy thousand, seven hundred forty-five".