28074685 has 16 divisors (see below), whose sum is σ = 36610560. Its totient is φ = 20589120.

The previous prime is 28074677. The next prime is 28074689. The reversal of 28074685 is 58647082.

It is not a de Polignac number, because 28074685 - 2³ = 28074677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28074689) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1822 + ... + 7711.

It is an arithmetic number, because the mean of its divisors is an integer number (2288160).

Almost surely, 2^28074685 is an apocalyptic number.

It is an amenable number.

28074685 is a deficient number, since it is larger than the sum of its proper divisors (8535875).

28074685 is a wasteful number, since it uses less digits than its factorization.

28074685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9588.

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 28074685 is about 5298.5549916935. The cubic root of 28074685 is about 303.9286427913.

The spelling of 28074685 in words is "twenty-eight million, seventy-four thousand, six hundred eighty-five".