4378720 has 24 divisors (see below), whose sum is σ = 10345104. Its totient is φ = 1751424.

The previous prime is 4378697. The next prime is 4378727. The reversal of 4378720 is 278734.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4378727) 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 3 ways as a sum of consecutive naturals, for example, 13524 + ... + 13843.

It is an arithmetic number, because the mean of its divisors is an integer number (431046).

Almost surely, 2^4378720 is an apocalyptic number.

4378720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4378720 is an abundant number, since it is smaller than the sum of its proper divisors (5966384).

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

4378720 is a wasteful number, since it uses less digits than its factorization.

4378720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27382 (or 27374 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 4378720 is about 2092.5391274717. The cubic root of 4378720 is about 163.5996580597.

The spelling of 4378720 in words is "four million, three hundred seventy-eight thousand, seven hundred twenty".