672253402617 has 16 divisors (see below), whose sum is σ = 1054515142080. Its totient is φ = 421806056256.

The previous prime is 672253402571. The next prime is 672253402619. The reversal of 672253402617 is 716204352276.

672253402617 is a `hidden beast` number, since 6 + 7 + 2 + 25 + 3 + 4 + 0 + 2 + 617 = 666.

It is not a de Polignac number, because 672253402617 - 2²⁰ = 672252354041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (672253402619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 732301723 + ... + 732302640.

It is an arithmetic number, because the mean of its divisors is an integer number (65907196380).

Almost surely, 2^672253402617 is an apocalyptic number.

It is an amenable number.

672253402617 is a deficient number, since it is larger than the sum of its proper divisors (382261739463).

672253402617 is a wasteful number, since it uses less digits than its factorization.

672253402617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1464604389 (or 1464604383 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 45.

The spelling of 672253402617 in words is "six hundred seventy-two billion, two hundred fifty-three million, four hundred two thousand, six hundred seventeen".