572506667 has 8 divisors (see below), whose sum is σ = 595230720. Its totient is φ = 550048680.

The previous prime is 572506643. The next prime is 572506681. The reversal of 572506667 is 766605275.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 572506667 - 2¹⁶ = 572441131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (572506567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62123 + ... + 70740.

It is an arithmetic number, because the mean of its divisors is an integer number (74403840).

Almost surely, 2^572506667 is an apocalyptic number.

572506667 is a deficient number, since it is larger than the sum of its proper divisors (22724053).

572506667 is a wasteful number, since it uses less digits than its factorization.

572506667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133033.

The product of its (nonzero) digits is 529200, while the sum is 44.

The square root of 572506667 is about 23927.1115473640. Note that the first 3 decimals coincide. The cubic root of 572506667 is about 830.3480743601.

The spelling of 572506667 in words is "five hundred seventy-two million, five hundred six thousand, six hundred sixty-seven".