7643226 has 16 divisors (see below), whose sum is σ = 15515424. Its totient is φ = 2509584.

The previous prime is 7643219. The next prime is 7643227. The reversal of 7643226 is 6223467.

It is a d-powerful number, because it can be written as 7⁸ + 6 + 4³ + 3¹³ + 2¹¹ + 2¹¹ + 6⁷ .

It is a junction number, because it is equal to n+sod(n) for n = 7643193 and 7643202.

It is not an unprimeable number, because it can be changed into a prime (7643227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9105 + ... + 9908.

It is an arithmetic number, because the mean of its divisors is an integer number (969714).

Almost surely, 2^7643226 is an apocalyptic number.

7643226 is an abundant number, since it is smaller than the sum of its proper divisors (7872198).

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

7643226 is a wasteful number, since it uses less digits than its factorization.

7643226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19085.

The product of its digits is 12096, while the sum is 30.

The square root of 7643226 is about 2764.6384935467. The cubic root of 7643226 is about 196.9815575338.

The spelling of 7643226 in words is "seven million, six hundred forty-three thousand, two hundred twenty-six".