672254267561117 has 8 divisors (see below), whose sum is σ = 683279432885112. Its totient is φ = 661229250739200.

The previous prime is 672254267561047. The next prime is 672254267561159. The reversal of 672254267561117 is 711165762452276.

It can be written as a sum of positive squares in 4 ways, for example, as 22997673856921 + 649256593704196 = 4795589^2 + 25480514^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 672254267561117 - 2¹² = 672254267557021 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 672254267561117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672254267561197) 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 7 ways as a sum of consecutive naturals, for example, 27979148 + ... + 46123109.

It is an arithmetic number, because the mean of its divisors is an integer number (85409929110639).

Almost surely, 2^{672254267561117} is an apocalyptic number.

It is an amenable number.

672254267561117 is a deficient number, since it is larger than the sum of its proper divisors (11025165323995).

672254267561117 is a wasteful number, since it uses less digits than its factorization.

672254267561117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74251039.

The product of its digits is 59270400, while the sum is 62.

The spelling of 672254267561117 in words is "six hundred seventy-two trillion, two hundred fifty-four billion, two hundred sixty-seven million, five hundred sixty-one thousand, one hundred seventeen".