4720865 has 8 divisors (see below), whose sum is σ = 5911488. Its totient is φ = 3612400.

The previous prime is 4720853. The next prime is 4720871. The reversal of 4720865 is 5680274.

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

It is not a de Polignac number, because 4720865 - 2¹⁴ = 4704481 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20411 + ... + 20640.

It is an arithmetic number, because the mean of its divisors is an integer number (738936).

Almost surely, 2^4720865 is an apocalyptic number.

It is an amenable number.

4720865 is a deficient number, since it is larger than the sum of its proper divisors (1190623).

4720865 is a wasteful number, since it uses less digits than its factorization.

4720865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41079.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 4720865 is about 2172.7551633813. The cubic root of 4720865 is about 167.7543769861.

The spelling of 4720865 in words is "four million, seven hundred twenty thousand, eight hundred sixty-five".