7306730 has 16 divisors (see below), whose sum is σ = 13222440. Its totient is φ = 2907072.

The previous prime is 7306729. The next prime is 7306771. The reversal of 7306730 is 376037.

7306730 = 86² + 87² + ... + 282².

It can be written as a sum of positive squares in 4 ways, for example, as 6806881 + 499849 = 2609^2 + 707^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 7306730.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116 + ... + 3824.

Almost surely, 2^7306730 is an apocalyptic number.

7306730 is a deficient number, since it is larger than the sum of its proper divisors (5915710).

7306730 is a wasteful number, since it uses less digits than its factorization.

7306730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3913.

The product of its (nonzero) digits is 2646, while the sum is 26.

The square root of 7306730 is about 2703.0963726808. The cubic root of 7306730 is about 194.0473367323.

The spelling of 7306730 in words is "seven million, three hundred six thousand, seven hundred thirty".