4721325578 has 32 divisors (see below), whose sum is σ = 7787955600. Its totient is φ = 2137411584.

The previous prime is 4721325571. The next prime is 4721325593. The reversal of 4721325578 is 8755231274.

It can be written as a sum of positive squares in 8 ways, for example, as 4450624369 + 270701209 = 66713^2 + 16453^2 .

It is not an unprimeable number, because it can be changed into a prime (4721325571) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90878 + ... + 133046.

Almost surely, 2^4721325578 is an apocalyptic number.

4721325578 is a deficient number, since it is larger than the sum of its proper divisors (3066630022).

4721325578 is a wasteful number, since it uses less digits than its factorization.

4721325578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42314.

The product of its digits is 470400, while the sum is 44.

The square root of 4721325578 is about 68711.9027388996. The cubic root of 4721325578 is about 1677.5983230430.

The spelling of 4721325578 in words is "four billion, seven hundred twenty-one million, three hundred twenty-five thousand, five hundred seventy-eight".