672317761061 has 8 divisors (see below), whose sum is σ = 711295310880. Its totient is φ = 633699451728.

The previous prime is 672317760997. The next prime is 672317761097. The reversal of 672317761061 is 160167713276.

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 672317761061 - 2⁶ = 672317760997 is a prime.

It is a super-2 number, since 2×672317761061² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 672317760997 and 672317761015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672317761861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89806271 + ... + 89813756.

It is an arithmetic number, because the mean of its divisors is an integer number (88911913860).

Almost surely, 2^672317761061 is an apocalyptic number.

It is an amenable number.

672317761061 is a deficient number, since it is larger than the sum of its proper divisors (38977549819).

672317761061 is a wasteful number, since it uses less digits than its factorization.

672317761061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179620243.

The product of its (nonzero) digits is 444528, while the sum is 47.

The spelling of 672317761061 in words is "six hundred seventy-two billion, three hundred seventeen million, seven hundred sixty-one thousand, sixty-one".