572761540 has 24 divisors (see below), whose sum is σ = 1295322840. Its totient is φ = 211481088.

The previous prime is 572761531. The next prime is 572761559. The reversal of 572761540 is 45167275.

It can be written as a sum of positive squares in 4 ways, for example, as 25482304 + 547279236 = 5048^2 + 23394^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 572761540.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1101205 + ... + 1101724.

It is an arithmetic number, because the mean of its divisors is an integer number (53971785).

Almost surely, 2^572761540 is an apocalyptic number.

It is an amenable number.

572761540 is an abundant number, since it is smaller than the sum of its proper divisors (722561300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

572761540 is a wasteful number, since it uses less digits than its factorization.

572761540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2202951 (or 2202949 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 37.

The square root of 572761540 is about 23932.4369841435. The cubic root of 572761540 is about 830.4712763646.

The spelling of 572761540 in words is "five hundred seventy-two million, seven hundred sixty-one thousand, five hundred forty".