672722643354 has 32 divisors (see below), whose sum is σ = 1360830456000. Its totient is φ = 221677678464.

The previous prime is 672722643337. The next prime is 672722643379. The reversal of 672722643354 is 453346227276.

It is a super-3 number, since 3×672722643354³ (a number of 36 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 672722643297 and 672722643306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2649537 + ... + 2892315.

It is an arithmetic number, because the mean of its divisors is an integer number (42525951750).

Almost surely, 2^672722643354 is an apocalyptic number.

672722643354 is an abundant number, since it is smaller than the sum of its proper divisors (688107812646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

672722643354 is a wasteful number, since it uses less digits than its factorization.

672722643354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248062.

The product of its digits is 10160640, while the sum is 51.

The spelling of 672722643354 in words is "six hundred seventy-two billion, seven hundred twenty-two million, six hundred forty-three thousand, three hundred fifty-four".