7206706 has 16 divisors (see below), whose sum is σ = 11804184. Its totient is φ = 3279744.

The previous prime is 7206701. The next prime is 7206737. The reversal of 7206706 is 6076027.

7206706 is a nontrivial binomial coefficient, being equal to C(3797, 2).

It can be written as a sum of positive squares in 4 ways, for example, as 2859481 + 4347225 = 1691^2 + 2085^2 .

It is a super-2 number, since 2×7206706² = 103873222740872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7206701) 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, 1 + ... + 3796.

Almost surely, 2^7206706 is an apocalyptic number.

7206706 is the 3796-th triangular number.

7206706 is the 1266-th centered nonagonal number.

7206706 is a deficient number, since it is larger than the sum of its proper divisors (4597478).

7206706 is a wasteful number, since it uses less digits than its factorization.

7206706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3885.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 7206706 is about 2684.5308714932. The cubic root of 7206706 is about 193.1578080576.

The spelling of 7206706 in words is "seven million, two hundred six thousand, seven hundred six".