9720340027 has 4 divisors (see below), whose sum is σ = 9820549816. Its totient is φ = 9620130240.

The previous prime is 9720340013. The next prime is 9720340033. The reversal of 9720340027 is 7200430279.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9720340027 is a prime.

It is a super-3 number, since 3×9720340027³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9720339974 and 9720340001.

It is not an unprimeable number, because it can be changed into a prime (9720340327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50104749 + ... + 50104942.

It is an arithmetic number, because the mean of its divisors is an integer number (2455137454).

Almost surely, 2^9720340027 is an apocalyptic number.

9720340027 is a gapful number since it is divisible by the number (97) formed by its first and last digit.

9720340027 is a deficient number, since it is larger than the sum of its proper divisors (100209789).

9720340027 is a wasteful number, since it uses less digits than its factorization.

9720340027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100209788.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 9720340027 is about 98591.7847845347. The cubic root of 9720340027 is about 2134.1608679956.

The spelling of 9720340027 in words is "nine billion, seven hundred twenty million, three hundred forty thousand, twenty-seven".