4720340 has 12 divisors (see below), whose sum is σ = 9912756. Its totient is φ = 1888128.

The previous prime is 4720333. The next prime is 4720343. The reversal of 4720340 is 430274.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 712336 + 4008004 = 844^2 + 2002^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 236017 = 4720340 / (4 + 7 + 2 + 0 + 3 + 4 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4720343) 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, 117989 + ... + 118028.

It is an arithmetic number, because the mean of its divisors is an integer number (826063).

Almost surely, 2^4720340 is an apocalyptic number.

It is an amenable number.

4720340 is an abundant number, since it is smaller than the sum of its proper divisors (5192416).

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

4720340 is a wasteful number, since it uses less digits than its factorization.

4720340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236026 (or 236024 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 4720340 is about 2172.6343456735. The cubic root of 4720340 is about 167.7481581884.

The spelling of 4720340 in words is "four million, seven hundred twenty thousand, three hundred forty".