672082017 has 4 divisors (see below), whose sum is σ = 896109360. Its totient is φ = 448054676.

The previous prime is 672082009. The next prime is 672082027. The reversal of 672082017 is 710280276.

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 672082017 - 2³ = 672082009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (672082027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112013667 + ... + 112013672.

It is an arithmetic number, because the mean of its divisors is an integer number (224027340).

Almost surely, 2^672082017 is an apocalyptic number.

It is an amenable number.

672082017 is a deficient number, since it is larger than the sum of its proper divisors (224027343).

672082017 is a wasteful number, since it uses less digits than its factorization.

672082017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224027342.

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 672082017 is about 25924.5446825976. The cubic root of 672082017 is about 875.9394609547.

The spelling of 672082017 in words is "six hundred seventy-two million, eighty-two thousand, seventeen".