4720015 has 4 divisors (see below), whose sum is σ = 5664024. Its totient is φ = 3776008.

The previous prime is 4720003. The next prime is 4720019. The reversal of 4720015 is 5100274.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4720015 - 2¹⁵ = 4687247 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4719974 and 4720001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4720019) 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, 471997 + ... + 472006.

It is an arithmetic number, because the mean of its divisors is an integer number (1416006).

Almost surely, 2^4720015 is an apocalyptic number.

4720015 is a deficient number, since it is larger than the sum of its proper divisors (944009).

4720015 is an equidigital number, since it uses as much as digits as its factorization.

4720015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944008.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 4720015 is about 2172.5595503921. The cubic root of 4720015 is about 167.7443082254.

Adding to 4720015 its reverse (5100274), we get a palindrome (9820289).

The spelling of 4720015 in words is "four million, seven hundred twenty thousand, fifteen".