9720465 has 16 divisors (see below), whose sum is σ = 15847488. Its totient is φ = 5086016.

The previous prime is 9720463. The next prime is 9720479. The reversal of 9720465 is 5640279.

It is a cyclic number.

It is not a de Polignac number, because 9720465 - 2¹ = 9720463 is a prime.

It is a Curzon number.

9720465 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9720463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5319 + ... + 6908.

It is an arithmetic number, because the mean of its divisors is an integer number (990468).

Almost surely, 2^9720465 is an apocalyptic number.

It is an amenable number.

9720465 is a deficient number, since it is larger than the sum of its proper divisors (6127023).

9720465 is a wasteful number, since it uses less digits than its factorization.

9720465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12288.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 9720465 is about 3117.7660271419. The cubic root of 9720465 is about 213.4170014155.

The spelling of 9720465 in words is "nine million, seven hundred twenty thousand, four hundred sixty-five".