28574707 has 4 divisors (see below), whose sum is σ = 32656816. Its totient is φ = 24492600.

The previous prime is 28574701. The next prime is 28574713. The reversal of 28574707 is 70747582.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70747582 = 2 ⋅35373791.

It is an interprime number because it is at equal distance from previous prime (28574701) and next prime (28574713).

It is a cyclic number.

It is not a de Polignac number, because 28574707 - 2³ = 28574699 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28574707.

It is not an unprimeable number, because it can be changed into a prime (28574701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2041044 + ... + 2041057.

It is an arithmetic number, because the mean of its divisors is an integer number (8164204).

Almost surely, 2^28574707 is an apocalyptic number.

28574707 is a deficient number, since it is larger than the sum of its proper divisors (4082109).

28574707 is an equidigital number, since it uses as much as digits as its factorization.

28574707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4082108.

The product of its (nonzero) digits is 109760, while the sum is 40.

The square root of 28574707 is about 5345.5314983638. The cubic root of 28574707 is about 305.7224012108.

The spelling of 28574707 in words is "twenty-eight million, five hundred seventy-four thousand, seven hundred seven".