6720134925 has 48 divisors (see below), whose sum is σ = 12705472512. Its totient is φ = 3070219200.

The previous prime is 6720134903. The next prime is 6720134929. The reversal of 6720134925 is 5294310276.

It is not a de Polignac number, because 6720134925 - 2⁹ = 6720134413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6720134929) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1282060 + ... + 1287290.

It is an arithmetic number, because the mean of its divisors is an integer number (264697344).

Almost surely, 2^6720134925 is an apocalyptic number.

It is an amenable number.

6720134925 is a deficient number, since it is larger than the sum of its proper divisors (5985337587).

6720134925 is a wasteful number, since it uses less digits than its factorization.

6720134925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7698 (or 7693 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 6720134925 is about 81976.4290817794. The cubic root of 6720134925 is about 1887.0902217020.

The spelling of 6720134925 in words is "six billion, seven hundred twenty million, one hundred thirty-four thousand, nine hundred twenty-five".