672341076477217 has 4 divisors (see below), whose sum is σ = 768389801688256. Its totient is φ = 576292351266180.

The previous prime is 672341076477209. The next prime is 672341076477227. The reversal of 672341076477217 is 712774670143276.

It is a happy number.

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 672341076477217 - 2³ = 672341076477209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (672341076477227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48024362605509 + ... + 48024362605522.

It is an arithmetic number, because the mean of its divisors is an integer number (192097450422064).

Almost surely, 2^{672341076477217} is an apocalyptic number.

It is an amenable number.

672341076477217 is a deficient number, since it is larger than the sum of its proper divisors (96048725211039).

672341076477217 is an equidigital number, since it uses as much as digits as its factorization.

672341076477217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96048725211038.

The product of its (nonzero) digits is 116169984, while the sum is 64.

The spelling of 672341076477217 in words is "six hundred seventy-two trillion, three hundred forty-one billion, seventy-six million, four hundred seventy-seven thousand, two hundred seventeen".