7126656 has 64 divisors (see below), whose sum is σ = 19282080. Its totient is φ = 2331648.

The previous prime is 7126649. The next prime is 7126699. The reversal of 7126656 is 6566217.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 25590 + ... + 25866.

Almost surely, 2^7126656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7126656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9641040).

7126656 is an abundant number, since it is smaller than the sum of its proper divisors (12155424).

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

7126656 is a wasteful number, since it uses less digits than its factorization.

7126656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361 (or 349 counting only the distinct ones).

The product of its digits is 15120, while the sum is 33.

The square root of 7126656 is about 2669.5797422066. The cubic root of 7126656 is about 192.4399632871.

The spelling of 7126656 in words is "seven million, one hundred twenty-six thousand, six hundred fifty-six".