672340117 has 8 divisors (see below), whose sum is σ = 701850816. Its totient is φ = 642852672.

The previous prime is 672340111. The next prime is 672340153. The reversal of 672340117 is 711043276.

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 672340117 - 2¹⁹ = 671815829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672340111) 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 7 ways as a sum of consecutive naturals, for example, 81078 + ... + 88984.

It is an arithmetic number, because the mean of its divisors is an integer number (87731352).

Almost surely, 2^672340117 is an apocalyptic number.

It is an amenable number.

672340117 is a deficient number, since it is larger than the sum of its proper divisors (29510699).

672340117 is a wasteful number, since it uses less digits than its factorization.

672340117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11627.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 672340117 is about 25929.5221128350. The cubic root of 672340117 is about 876.0515757635.

The spelling of 672340117 in words is "six hundred seventy-two million, three hundred forty thousand, one hundred seventeen".