7426656 has 72 divisors (see below), whose sum is σ = 21405384. Its totient is φ = 2442240.

The previous prime is 7426651. The next prime is 7426667. The reversal of 7426656 is 6566247.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 7426656.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7426651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30696 + ... + 30936.

It is an arithmetic number, because the mean of its divisors is an integer number (297297).

Almost surely, 2^7426656 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 7426656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10702692).

7426656 is an abundant number, since it is smaller than the sum of its proper divisors (13978728).

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

7426656 is a wasteful number, since it uses less digits than its factorization.

7426656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364 (or 353 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 7426656 is about 2725.1891677460. The cubic root of 7426656 is about 195.1032195148.

The spelling of 7426656 in words is "seven million, four hundred twenty-six thousand, six hundred fifty-six".