7206736 has 10 divisors (see below), whose sum is σ = 13963082. Its totient is φ = 3603360.

The previous prime is 7206701. The next prime is 7206737. The reversal of 7206736 is 6376027.

It can be written as a sum of positive squares in only one way, i.e., 7182400 + 24336 = 2680^2 + 156^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7206698 and 7206707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7206737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225195 + ... + 225226.

Almost surely, 2^7206736 is an apocalyptic number.

It is an amenable number.

7206736 is a deficient number, since it is larger than the sum of its proper divisors (6756346).

7206736 is a wasteful number, since it uses less digits than its factorization.

7206736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450429 (or 450423 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 31.

The square root of 7206736 is about 2684.5364590558. The cubic root of 7206736 is about 193.1580760823.

The spelling of 7206736 in words is "seven million, two hundred six thousand, seven hundred thirty-six".