572069987 has 4 divisors (see below), whose sum is σ = 587531376. Its totient is φ = 556608600.

The previous prime is 572069963. The next prime is 572069989. The reversal of 572069987 is 789960275.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 572069987 - 2⁶ = 572069923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (572069989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7730639 + ... + 7730712.

It is an arithmetic number, because the mean of its divisors is an integer number (146882844).

Almost surely, 2^572069987 is an apocalyptic number.

572069987 is a deficient number, since it is larger than the sum of its proper divisors (15461389).

572069987 is a wasteful number, since it uses less digits than its factorization.

572069987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15461388.

The product of its (nonzero) digits is 1905120, while the sum is 53.

The square root of 572069987 is about 23917.9845931884. The cubic root of 572069987 is about 830.1369044021.

The spelling of 572069987 in words is "five hundred seventy-two million, sixty-nine thousand, nine hundred eighty-seven".