4720915 has 8 divisors (see below), whose sum is σ = 5785920. Its totient is φ = 3696192.

The previous prime is 4720913. The next prime is 4720921. The reversal of 4720915 is 5190274.

It is a happy number.

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 4720915 - 2¹ = 4720913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4720913) 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 7 ways as a sum of consecutive naturals, for example, 9810 + ... + 10279.

It is an arithmetic number, because the mean of its divisors is an integer number (723240).

Almost surely, 2^4720915 is an apocalyptic number.

4720915 is a deficient number, since it is larger than the sum of its proper divisors (1065005).

4720915 is a wasteful number, since it uses less digits than its factorization.

4720915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20141.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 4720915 is about 2172.7666694793. The cubic root of 4720915 is about 167.7549692285.

The spelling of 4720915 in words is "four million, seven hundred twenty thousand, nine hundred fifteen".