4720491 has 16 divisors (see below), whose sum is σ = 7027200. Its totient is φ = 3131784.

The previous prime is 4720481. The next prime is 4720501. The reversal of 4720491 is 1940274.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4720481) and next prime (4720501).

It is not a de Polignac number, because 4720491 - 2⁶ = 4720427 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (4720481) 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, 9450 + ... + 9936.

It is an arithmetic number, because the mean of its divisors is an integer number (439200).

Almost surely, 2^4720491 is an apocalyptic number.

4720491 is a deficient number, since it is larger than the sum of its proper divisors (2306709).

4720491 is a wasteful number, since it uses less digits than its factorization.

4720491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855 (or 849 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 4720491 is about 2172.6690958358. The cubic root of 4720491 is about 167.7499468803.

The spelling of 4720491 in words is "four million, seven hundred twenty thousand, four hundred ninety-one".