4577978 has 8 divisors (see below), whose sum is σ = 7034580. Its totient is φ = 2233120.

The previous prime is 4577977. The next prime is 4578017. The reversal of 4577978 is 8797754.

It can be written as a sum of positive squares in 2 ways, for example, as 4133089 + 444889 = 2033^2 + 667^2 .

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 (4577977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27833 + ... + 27996.

Almost surely, 2^4577978 is an apocalyptic number.

4577978 is a deficient number, since it is larger than the sum of its proper divisors (2456602).

4577978 is a wasteful number, since it uses less digits than its factorization.

4577978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55872.

The product of its digits is 493920, while the sum is 47.

The square root of 4577978 is about 2139.6209944754. The cubic root of 4577978 is about 166.0445276591.

It can be divided in two parts, 4577 and 978, that added together give a palindrome (5555).

The spelling of 4577978 in words is "four million, five hundred seventy-seven thousand, nine hundred seventy-eight".