7226736 has 40 divisors (see below), whose sum is σ = 20367744. Its totient is φ = 2189760.

The previous prime is 7226699. The next prime is 7226741. The reversal of 7226736 is 6376227.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 7226697 and 7226706.

It is a congruent number.

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, 6316 + ... + 7371.

Almost surely, 2^7226736 is an apocalyptic number.

It is an amenable number.

7226736 is an abundant number, since it is smaller than the sum of its proper divisors (13141008).

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

7226736 is a wasteful number, since it uses less digits than its factorization.

7226736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13709 (or 13703 counting only the distinct ones).

The product of its digits is 21168, while the sum is 33.

The square root of 7226736 is about 2688.2589161016. The cubic root of 7226736 is about 193.3365939469.

The spelling of 7226736 in words is "seven million, two hundred twenty-six thousand, seven hundred thirty-six".