1672117017 has 4 divisors (see below), whose sum is σ = 2229489360. Its totient is φ = 1114744676.

The previous prime is 1672116947. The next prime is 1672117019. The reversal of 1672117017 is 7107112761.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1672117017 - 2¹⁰ = 1672115993 is a prime.

It is a super-3 number, since 3×1672117017³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1672117019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278686167 + ... + 278686172.

It is an arithmetic number, because the mean of its divisors is an integer number (557372340).

Almost surely, 2^1672117017 is an apocalyptic number.

It is an amenable number.

1672117017 is a deficient number, since it is larger than the sum of its proper divisors (557372343).

1672117017 is an equidigital number, since it uses as much as digits as its factorization.

1672117017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557372342.

The product of its (nonzero) digits is 4116, while the sum is 33.

The square root of 1672117017 is about 40891.5274476266. The cubic root of 1672117017 is about 1186.9221161951.

Adding to 1672117017 its reverse (7107112761), we get a palindrome (8779229778).

The spelling of 1672117017 in words is "one billion, six hundred seventy-two million, one hundred seventeen thousand, seventeen".