6977745 has 24 divisors (see below), whose sum is σ = 12544896. Its totient is φ = 3720816.

The previous prime is 6977743. The next prime is 6977767. The reversal of 6977745 is 5477796.

It is not a de Polignac number, because 6977745 - 2¹ = 6977743 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a d-powerful number, because it can be written as 6⁶ + 9 + 7² + 7⁶ + 7⁸ + 4¹⁰ + 5 .

6977745 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 6977745.

It is not an unprimeable number, because it can be changed into a prime (6977741) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1657 + ... + 4086.

It is an arithmetic number, because the mean of its divisors is an integer number (522704).

Almost surely, 2^6977745 is an apocalyptic number.

It is an amenable number.

6977745 is a deficient number, since it is larger than the sum of its proper divisors (5567151).

6977745 is an equidigital number, since it uses as much as digits as its factorization.

6977745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5763 (or 5751 counting only the distinct ones).

The product of its digits is 370440, while the sum is 45.

The square root of 6977745 is about 2641.5421632069. The cubic root of 6977745 is about 191.0901778972.

The spelling of 6977745 in words is "six million, nine hundred seventy-seven thousand, seven hundred forty-five".