6977144 has 8 divisors (see below), whose sum is σ = 13082160. Its totient is φ = 3488568.

The previous prime is 6977141. The next prime is 6977147. The reversal of 6977144 is 4417796.

It is an interprime number because it is at equal distance from previous prime (6977141) and next prime (6977147).

It is a tau number, because it is divible by the number of its divisors (8).

It is a d-powerful number, because it can be written as 6⁸ + 9³ + 7⁵ + 7⁷ + 1 + 4⁹ + 4¹¹ .

It is a junction number, because it is equal to n+sod(n) for n = 6977098 and 6977107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6977141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436064 + ... + 436079.

It is an arithmetic number, because the mean of its divisors is an integer number (1635270).

Almost surely, 2^6977144 is an apocalyptic number.

It is an amenable number.

6977144 is a deficient number, since it is larger than the sum of its proper divisors (6105016).

6977144 is a wasteful number, since it uses less digits than its factorization.

6977144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872149 (or 872145 counting only the distinct ones).

The product of its digits is 42336, while the sum is 38.

The square root of 6977144 is about 2641.4284014525. The cubic root of 6977144 is about 191.0846914784.

The spelling of 6977144 in words is "six million, nine hundred seventy-seven thousand, one hundred forty-four".