672655041725 has 12 divisors (see below), whose sum is σ = 835833586560. Its totient is φ = 537000591600.

The previous prime is 672655041601. The next prime is 672655041739. The reversal of 672655041725 is 527140556276.

It is a de Polignac number, because none of the positive numbers 2^k-672655041725 is a prime.

It is a super-2 number, since 2×672655041725² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28073831 + ... + 28097780.

It is an arithmetic number, because the mean of its divisors is an integer number (69652798880).

Almost surely, 2^672655041725 is an apocalyptic number.

It is an amenable number.

672655041725 is a deficient number, since it is larger than the sum of its proper divisors (163178544835).

672655041725 is a wasteful number, since it uses less digits than its factorization.

672655041725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56172100 (or 56172095 counting only the distinct ones).

The product of its (nonzero) digits is 3528000, while the sum is 50.

The spelling of 672655041725 in words is "six hundred seventy-two billion, six hundred fifty-five million, forty-one thousand, seven hundred twenty-five".