8572919 has 4 divisors (see below), whose sum is σ = 8603496. Its totient is φ = 8542344.

The previous prime is 8572903. The next prime is 8572961. The reversal of 8572919 is 9192758.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9192758 = 2 ⋅4596379.

It is a cyclic number.

It is not a de Polignac number, because 8572919 - 2⁴ = 8572903 is a prime.

It is a super-3 number, since 3×8572919³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8572219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14864 + ... + 15429.

It is an arithmetic number, because the mean of its divisors is an integer number (2150874).

Almost surely, 2^8572919 is an apocalyptic number.

8572919 is a deficient number, since it is larger than the sum of its proper divisors (30577).

8572919 is a wasteful number, since it uses less digits than its factorization.

8572919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30576.

The product of its digits is 45360, while the sum is 41.

The square root of 8572919 is about 2927.9547469181. The cubic root of 8572919 is about 204.6646828362.

The spelling of 8572919 in words is "eight million, five hundred seventy-two thousand, nine hundred nineteen".