6725977 has 4 divisors (see below), whose sum is σ = 6942976. Its totient is φ = 6508980.

The previous prime is 6725969. The next prime is 6725987. The reversal of 6725977 is 7795276.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6725977 - 2³ = 6725969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6725987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108453 + ... + 108514.

It is an arithmetic number, because the mean of its divisors is an integer number (1735744).

Almost surely, 2^6725977 is an apocalyptic number.

It is an amenable number.

6725977 is a deficient number, since it is larger than the sum of its proper divisors (216999).

6725977 is a wasteful number, since it uses less digits than its factorization.

6725977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216998.

The product of its digits is 185220, while the sum is 43.

The square root of 6725977 is about 2593.4488620368. The cubic root of 6725977 is about 188.7636903656.

The spelling of 6725977 in words is "six million, seven hundred twenty-five thousand, nine hundred seventy-seven".