672635061728 has 24 divisors (see below), whose sum is σ = 1513428889392. Its totient is φ = 288272169216.

The previous prime is 672635061701. The next prime is 672635061731. The reversal of 672635061728 is 827160536276.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 672635061728.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1501417325 + ... + 1501417772.

It is an arithmetic number, because the mean of its divisors is an integer number (63059537058).

Almost surely, 2^672635061728 is an apocalyptic number.

It is an amenable number.

672635061728 is an abundant number, since it is smaller than the sum of its proper divisors (840793827664).

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

672635061728 is a wasteful number, since it uses less digits than its factorization.

672635061728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3002835114 (or 3002835106 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 53.

The spelling of 672635061728 in words is "six hundred seventy-two billion, six hundred thirty-five million, sixty-one thousand, seven hundred twenty-eight".