6977922 has 64 divisors (see below), whose sum is σ = 17521920. Its totient is φ = 1806336.

The previous prime is 6977903. The next prime is 6977923. The reversal of 6977922 is 2297796.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6977923) 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 31 ways as a sum of consecutive naturals, for example, 20538 + ... + 20874.

It is an arithmetic number, because the mean of its divisors is an integer number (273780).

Almost surely, 2^6977922 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6977922, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8760960).

6977922 is an abundant number, since it is smaller than the sum of its proper divisors (10543998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6977922 is a wasteful number, since it uses less digits than its factorization.

6977922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395.

The product of its digits is 95256, while the sum is 42.

The square root of 6977922 is about 2641.5756661508. The cubic root of 6977922 is about 191.0917936377.

The spelling of 6977922 in words is "six million, nine hundred seventy-seven thousand, nine hundred twenty-two".