4720405 has 8 divisors (see below), whose sum is σ = 5910912. Its totient is φ = 3612048.

The previous prime is 4720403. The next prime is 4720427. The reversal of 4720405 is 5040274.

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

It is a cyclic number.

It is not a de Polignac number, because 4720405 - 2¹ = 4720403 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4720403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20409 + ... + 20638.

It is an arithmetic number, because the mean of its divisors is an integer number (738864).

Almost surely, 2^4720405 is an apocalyptic number.

It is an amenable number.

4720405 is a deficient number, since it is larger than the sum of its proper divisors (1190507).

4720405 is a wasteful number, since it uses less digits than its factorization.

4720405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41075.

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 4720405 is about 2172.6493044208. The cubic root of 4720405 is about 167.7489281598.

Adding to 4720405 its reverse (5040274), we get a palindrome (9760679).

The spelling of 4720405 in words is "four million, seven hundred twenty thousand, four hundred five".