7663243 has 16 divisors (see below), whose sum is σ = 9414144. Its totient is φ = 6088320.

The previous prime is 7663241. The next prime is 7663261. The reversal of 7663243 is 3423667.

It is not a de Polignac number, because 7663243 - 2¹ = 7663241 is a prime.

It is a d-powerful number, because it can be written as 7³ + 6 + 6⁷ + 3¹³ + 2³ + 4¹¹ + 3¹³ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7663241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7996 + ... + 8902.

It is an arithmetic number, because the mean of its divisors is an integer number (588384).

Almost surely, 2^7663243 is an apocalyptic number.

7663243 is a deficient number, since it is larger than the sum of its proper divisors (1750901).

7663243 is a wasteful number, since it uses less digits than its factorization.

7663243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002.

The product of its digits is 18144, while the sum is 31.

The square root of 7663243 is about 2768.2563103875. The cubic root of 7663243 is about 197.1533673046.

The spelling of 7663243 in words is "seven million, six hundred sixty-three thousand, two hundred forty-three".