7243776 has 96 divisors (see below), whose sum is σ = 21621600. Its totient is φ = 2396160.

The previous prime is 7243771. The next prime is 7243777. The reversal of 7243776 is 6773427.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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 7243776.

It is not an unprimeable number, because it can be changed into a prime (7243771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55231 + ... + 55361.

It is an arithmetic number, because the mean of its divisors is an integer number (225225).

Almost surely, 2^7243776 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 7243776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10810800).

7243776 is an abundant number, since it is smaller than the sum of its proper divisors (14377824).

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

7243776 is a wasteful number, since it uses less digits than its factorization.

7243776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162 (or 136 counting only the distinct ones).

The product of its digits is 49392, while the sum is 36.

The square root of 7243776 is about 2691.4263876242. The cubic root of 7243776 is about 193.4884314939.

The spelling of 7243776 in words is "seven million, two hundred forty-three thousand, seven hundred seventy-six".