4720240 has 40 divisors (see below), whose sum is σ = 12543840. Its totient is φ = 1618176.

The previous prime is 4720231. The next prime is 4720259. The reversal of 4720240 is 420274.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

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, 3655 + ... + 4774.

It is an arithmetic number, because the mean of its divisors is an integer number (313596).

Almost surely, 2^4720240 is an apocalyptic number.

4720240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4720240 is an abundant number, since it is smaller than the sum of its proper divisors (7823600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4720240 is a wasteful number, since it uses less digits than its factorization.

4720240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8449 (or 8443 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 4720240 is about 2172.6113320150. The cubic root of 4720240 is about 167.7469736032.

The spelling of 4720240 in words is "four million, seven hundred twenty thousand, two hundred forty".