6672256757 has 8 divisors (see below), whose sum is σ = 6732878880. Its totient is φ = 6611896080.

The previous prime is 6672256741. The next prime is 6672256819. The reversal of 6672256757 is 7576522766.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6672256757 - 2⁴ = 6672256741 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6672256699 and 6672256708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6672252757) by changing a digit.

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, 13907 + ... + 116352.

It is an arithmetic number, because the mean of its divisors is an integer number (841609860).

Almost surely, 2^6672256757 is an apocalyptic number.

It is an amenable number.

6672256757 is a deficient number, since it is larger than the sum of its proper divisors (60622123).

6672256757 is a wasteful number, since it uses less digits than its factorization.

6672256757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130723.

The product of its digits is 7408800, while the sum is 53.

The square root of 6672256757 is about 81683.8830920764. The cubic root of 6672256757 is about 1882.5979584387.

The spelling of 6672256757 in words is "six billion, six hundred seventy-two million, two hundred fifty-six thousand, seven hundred fifty-seven".