4720641 has 4 divisors (see below), whose sum is σ = 6294192. Its totient is φ = 3147092.

The previous prime is 4720637. The next prime is 4720663. The reversal of 4720641 is 1460274.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4720641 - 2² = 4720637 is a prime.

It is a D-number.

It is a Curzon 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 3 ways as a sum of consecutive naturals, for example, 786771 + ... + 786776.

It is an arithmetic number, because the mean of its divisors is an integer number (1573548).

Almost surely, 2^4720641 is an apocalyptic number.

It is an amenable number.

4720641 is a deficient number, since it is larger than the sum of its proper divisors (1573551).

4720641 is a wasteful number, since it uses less digits than its factorization.

4720641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573550.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 4720641 is about 2172.7036153143. The cubic root of 4720641 is about 167.7517236888.

The spelling of 4720641 in words is "four million, seven hundred twenty thousand, six hundred forty-one".