672572247936 has 128 divisors (see below), whose sum is σ = 1899528537600. Its totient is φ = 210119712768.

The previous prime is 672572247887. The next prime is 672572247937. The reversal of 672572247936 is 639742275276.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 672572247936.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672572247937) 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 15 ways as a sum of consecutive naturals, for example, 1344651 + ... + 1775733.

It is an arithmetic number, because the mean of its divisors is an integer number (14840066700).

Almost surely, 2^672572247936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 672572247936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (949764268800).

672572247936 is an abundant number, since it is smaller than the sum of its proper divisors (1226956289664).

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

672572247936 is a wasteful number, since it uses less digits than its factorization.

672572247936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431356 (or 431344 counting only the distinct ones).

The product of its digits is 53343360, while the sum is 60.

The spelling of 672572247936 in words is "six hundred seventy-two billion, five hundred seventy-two million, two hundred forty-seven thousand, nine hundred thirty-six".