4720685 has 4 divisors (see below), whose sum is σ = 5664828. Its totient is φ = 3776544.

The previous prime is 4720663. The next prime is 4720693. The reversal of 4720685 is 5860274.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3632836 + 1087849 = 1906^2 + 1043^2 .

It is a cyclic number.

It is not a de Polignac number, because 4720685 - 2⁶ = 4720621 is a prime.

It is a Duffinian number.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 472064 + ... + 472073.

It is an arithmetic number, because the mean of its divisors is an integer number (1416207).

Almost surely, 2^4720685 is an apocalyptic number.

It is an amenable number.

4720685 is a deficient number, since it is larger than the sum of its proper divisors (944143).

4720685 is an equidigital number, since it uses as much as digits as its factorization.

4720685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944142.

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

The square root of 4720685 is about 2172.7137409240. The cubic root of 4720685 is about 167.7522448788.

The spelling of 4720685 in words is "four million, seven hundred twenty thousand, six hundred eighty-five".