4720681 has 16 divisors (see below), whose sum is σ = 5702400. Its totient is φ = 3820608.

The previous prime is 4720663. The next prime is 4720693. The reversal of 4720681 is 1860274.

It is a cyclic number.

It is not a de Polignac number, because 4720681 - 2⁷ = 4720553 is a prime.

It is a super-2 number, since 2×4720681² = 44569658207522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4720601) 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, 17415 + ... + 17683.

It is an arithmetic number, because the mean of its divisors is an integer number (356400).

Almost surely, 2^4720681 is an apocalyptic number.

It is an amenable number.

4720681 is a deficient number, since it is larger than the sum of its proper divisors (981719).

4720681 is a wasteful number, since it uses less digits than its factorization.

4720681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 4720681 is about 2172.7128204160. The cubic root of 4720681 is about 167.7521974980.

The spelling of 4720681 in words is "four million, seven hundred twenty thousand, six hundred eighty-one".