572404905 has 24 divisors (see below), whose sum is σ = 992726280. Its totient is φ = 305111040.

The previous prime is 572404901. The next prime is 572404957. The reversal of 572404905 is 509404275.

572404905 is a `hidden beast` number, since 572 + 40 + 49 + 0 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 129891609 + 442513296 = 11397^2 + 21036^2 .

It is not a de Polignac number, because 572404905 - 2² = 572404901 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 572404905.

It is not an unprimeable number, because it can be changed into a prime (572404901) 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 23 ways as a sum of consecutive naturals, for example, 147895 + ... + 151715.

It is an arithmetic number, because the mean of its divisors is an integer number (41363595).

Almost surely, 2^572404905 is an apocalyptic number.

It is an amenable number.

572404905 is a deficient number, since it is larger than the sum of its proper divisors (420321375).

572404905 is a wasteful number, since it uses less digits than its factorization.

572404905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7161 (or 7158 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 572404905 is about 23924.9849529733. The cubic root of 572404905 is about 830.2988738340.

The spelling of 572404905 in words is "five hundred seventy-two million, four hundred four thousand, nine hundred five".