4245778 has 8 divisors (see below), whose sum is σ = 6703920. Its totient is φ = 2011140.

The previous prime is 4245743. The next prime is 4245779. The reversal of 4245778 is 8775424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (4245779) 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, 55828 + ... + 55903.

It is an arithmetic number, because the mean of its divisors is an integer number (837990).

Almost surely, 2^4245778 is an apocalyptic number.

4245778 is a deficient number, since it is larger than the sum of its proper divisors (2458142).

4245778 is a wasteful number, since it uses less digits than its factorization.

4245778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111752.

The product of its digits is 62720, while the sum is 37.

The square root of 4245778 is about 2060.5285729637. The cubic root of 4245778 is about 161.9269344846.

The spelling of 4245778 in words is "four million, two hundred forty-five thousand, seven hundred seventy-eight".