4578725428 has 6 divisors (see below), whose sum is σ = 8012769506. Its totient is φ = 2289362712.

The previous prime is 4578725419. The next prime is 4578725443. The reversal of 4578725428 is 8245278754.

It can be written as a sum of positive squares in only one way, i.e., 3949116964 + 629608464 = 62842^2 + 25092^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572340675 + ... + 572340682.

Almost surely, 2^4578725428 is an apocalyptic number.

It is an amenable number.

4578725428 is a deficient number, since it is larger than the sum of its proper divisors (3434044078).

4578725428 is a wasteful number, since it uses less digits than its factorization.

4578725428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144681361 (or 1144681359 counting only the distinct ones).

The product of its digits is 5017600, while the sum is 52.

The square root of 4578725428 is about 67666.2798445430. The cubic root of 4578725428 is about 1660.5356364074.

The spelling of 4578725428 in words is "four billion, five hundred seventy-eight million, seven hundred twenty-five thousand, four hundred twenty-eight".