4720401 has 24 divisors (see below), whose sum is σ = 8047104. Its totient is φ = 2609280.

The previous prime is 4720393. The next prime is 4720403. The reversal of 4720401 is 1040274.

It is a happy number.

It is not a de Polignac number, because 4720401 - 2³ = 4720393 is a prime.

It is an Ulam number.

It is a Curzon number.

4720401 is a lucky number.

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

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 23 ways as a sum of consecutive naturals, for example, 745 + ... + 3161.

It is an arithmetic number, because the mean of its divisors is an integer number (335296).

Almost surely, 2^4720401 is an apocalyptic number.

It is an amenable number.

4720401 is a deficient number, since it is larger than the sum of its proper divisors (3326703).

4720401 is a wasteful number, since it uses less digits than its factorization.

4720401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2461 (or 2458 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 4720401 is about 2172.6483838854. The cubic root of 4720401 is about 167.7488807771.

Adding to 4720401 its reverse (1040274), we get a palindrome (5760675).

The spelling of 4720401 in words is "four million, seven hundred twenty thousand, four hundred one".