9780730694 has 16 divisors (see below), whose sum is σ = 16781561856. Its totient is φ = 4188093000.

The previous prime is 9780730693. The next prime is 9780730697. The reversal of 9780730694 is 4960370879.

9780730694 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9780730693) by changing a digit.

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, 287372 + ... + 319599.

It is an arithmetic number, because the mean of its divisors is an integer number (1048847616).

Almost surely, 2^9780730694 is an apocalyptic number.

9780730694 is a deficient number, since it is larger than the sum of its proper divisors (7000831162).

9780730694 is a wasteful number, since it uses less digits than its factorization.

9780730694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608131.

The product of its (nonzero) digits is 2286144, while the sum is 53.

The square root of 9780730694 is about 98897.5767852782. The cubic root of 9780730694 is about 2138.5714615162.

The spelling of 9780730694 in words is "nine billion, seven hundred eighty million, seven hundred thirty thousand, six hundred ninety-four".