7776126 has 12 divisors (see below), whose sum is σ = 16848312. Its totient is φ = 2592036.

The previous prime is 7776079. The next prime is 7776127. The reversal of 7776126 is 6216777.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7776127) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 215986 + ... + 216021.

It is an arithmetic number, because the mean of its divisors is an integer number (1404026).

Almost surely, 2^7776126 is an apocalyptic number.

7776126 is an abundant number, since it is smaller than the sum of its proper divisors (9072186).

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

7776126 is a wasteful number, since it uses less digits than its factorization.

7776126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432015 (or 432012 counting only the distinct ones).

The product of its digits is 24696, while the sum is 36.

The square root of 7776126 is about 2788.5706015807. The cubic root of 7776126 is about 198.1167049969.

It can be divided in two parts, 777 and 6126, that added together give a triangular number (6903 = T₁₁₇).

The spelling of 7776126 in words is "seven million, seven hundred seventy-six thousand, one hundred twenty-six".