28567473 has 8 divisors (see below), whose sum is σ = 41552736. Its totient is φ = 17313600.

The previous prime is 28567471. The next prime is 28567481. The reversal of 28567473 is 37476582.

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

It is not a de Polignac number, because 28567473 - 2¹ = 28567471 is a prime.

It is a super-2 number, since 2×28567473² = 1632201027211458, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28567471) 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, 432808 + ... + 432873.

It is an arithmetic number, because the mean of its divisors is an integer number (5194092).

Almost surely, 2^28567473 is an apocalyptic number.

It is an amenable number.

28567473 is a deficient number, since it is larger than the sum of its proper divisors (12985263).

28567473 is a wasteful number, since it uses less digits than its factorization.

28567473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865695.

The product of its digits is 282240, while the sum is 42.

The square root of 28567473 is about 5344.8548156147. The cubic root of 28567473 is about 305.6966000421.

The spelling of 28567473 in words is "twenty-eight million, five hundred sixty-seven thousand, four hundred seventy-three".