28201372 has 12 divisors (see below), whose sum is σ = 50089480. Its totient is φ = 13890096.

The previous prime is 28201367. The next prime is 28201373. The reversal of 28201372 is 27310282.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28201373) 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, 52347 + ... + 52882.

Almost surely, 2^28201372 is an apocalyptic number.

It is an amenable number.

28201372 is a deficient number, since it is larger than the sum of its proper divisors (21888108).

28201372 is a wasteful number, since it uses less digits than its factorization.

28201372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105300 (or 105298 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 28201372 is about 5310.4963986430. The cubic root of 28201372 is about 304.3851161419.

The spelling of 28201372 in words is "twenty-eight million, two hundred one thousand, three hundred seventy-two".