672323170731 has 8 divisors (see below), whose sum is σ = 896643385920. Its totient is φ = 448109201352.

The previous prime is 672323170721. The next prime is 672323170747. The reversal of 672323170731 is 137071323276.

672323170731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 672323170731 - 2⁹ = 672323170219 is a prime.

It is a super-2 number, since 2×672323170731² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (672323170721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26546685 + ... + 26571998.

It is an arithmetic number, because the mean of its divisors is an integer number (112080423240).

Almost surely, 2^672323170731 is an apocalyptic number.

672323170731 is a deficient number, since it is larger than the sum of its proper divisors (224320215189).

672323170731 is a wasteful number, since it uses less digits than its factorization.

672323170731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53122905.

The product of its (nonzero) digits is 222264, while the sum is 42.

The spelling of 672323170731 in words is "six hundred seventy-two billion, three hundred twenty-three million, one hundred seventy thousand, seven hundred thirty-one".