9730621378 has 8 divisors (see below), whose sum is σ = 14600808000. Its totient is φ = 4863685380.

The previous prime is 9730621367. The next prime is 9730621387. The reversal of 9730621378 is 8731260379.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 805158 + ... + 817153.

It is an arithmetic number, because the mean of its divisors is an integer number (1825101000).

Almost surely, 2^9730621378 is an apocalyptic number.

9730621378 is a deficient number, since it is larger than the sum of its proper divisors (4870186622).

9730621378 is a wasteful number, since it uses less digits than its factorization.

9730621378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1625312.

The product of its (nonzero) digits is 381024, while the sum is 46.

The square root of 9730621378 is about 98643.9120169106. The cubic root of 9730621378 is about 2134.9130476281.

The spelling of 9730621378 in words is "nine billion, seven hundred thirty million, six hundred twenty-one thousand, three hundred seventy-eight".