28573005 has 32 divisors (see below), whose sum is σ = 48988800. Its totient is φ = 14170112.

The previous prime is 28572983. The next prime is 28573009. The reversal of 28573005 is 50037582.

It is a happy number.

It is not a de Polignac number, because 28573005 - 2⁸ = 28572749 is a prime.

It is a super-2 number, since 2×28573005² = 1632833229460050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28573009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22066 + ... + 23324.

It is an arithmetic number, because the mean of its divisors is an integer number (1530900).

Almost surely, 2^28573005 is an apocalyptic number.

It is an amenable number.

28573005 is a deficient number, since it is larger than the sum of its proper divisors (20415795).

28573005 is a wasteful number, since it uses less digits than its factorization.

28573005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 28573005 is about 5345.3722976047. The cubic root of 28573005 is about 305.7163311589.

The spelling of 28573005 in words is "twenty-eight million, five hundred seventy-three thousand, five".