28274701 has 8 divisors (see below), whose sum is σ = 34799744. Its totient is φ = 22371120.

The previous prime is 28274699. The next prime is 28274711. The reversal of 28274701 is 10747282.

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

It is a cyclic number.

It is not a de Polignac number, because 28274701 - 2¹ = 28274699 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28274711) 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 7 ways as a sum of consecutive naturals, for example, 155265 + ... + 155446.

It is an arithmetic number, because the mean of its divisors is an integer number (4349968).

Almost surely, 2^28274701 is an apocalyptic number.

It is an amenable number.

28274701 is a deficient number, since it is larger than the sum of its proper divisors (6525043).

28274701 is a wasteful number, since it uses less digits than its factorization.

28274701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310731.

The product of its (nonzero) digits is 6272, while the sum is 31.

The square root of 28274701 is about 5317.3960732674. The cubic root of 28274701 is about 304.6487077906.

The spelling of 28274701 in words is "twenty-eight million, two hundred seventy-four thousand, seven hundred one".