672129625396 has 24 divisors (see below), whose sum is σ = 1245450930696. Its totient is φ = 316287590400.

The previous prime is 672129625361. The next prime is 672129625411. The reversal of 672129625396 is 693526921276.

It can be written as a sum of positive squares in 4 ways, for example, as 369464602896 + 302665022500 = 607836^2 + 550150^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 672129625396.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 2823270 + ... + 3052066.

It is an arithmetic number, because the mean of its divisors is an integer number (51893788779).

Almost surely, 2^672129625396 is an apocalyptic number.

It is an amenable number.

672129625396 is a deficient number, since it is larger than the sum of its proper divisors (573321305300).

672129625396 is a wasteful number, since it uses less digits than its factorization.

672129625396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272019 (or 272017 counting only the distinct ones).

The product of its digits is 14696640, while the sum is 58.

The spelling of 672129625396 in words is "six hundred seventy-two billion, one hundred twenty-nine million, six hundred twenty-five thousand, three hundred ninety-six".