28774360 has 32 divisors (see below), whose sum is σ = 68151600. Its totient is φ = 10903680.

The previous prime is 28774313. The next prime is 28774363. The reversal of 28774360 is 6347782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28774363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18171 + ... + 19690.

Almost surely, 2^28774360 is an apocalyptic number.

28774360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28774360 is an abundant number, since it is smaller than the sum of its proper divisors (39377240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28774360 is a wasteful number, since it uses less digits than its factorization.

28774360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37891 (or 37887 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 28774360 is about 5364.1737481182. The cubic root of 28774360 is about 306.4327821819.

It can be divided in two parts, 287 and 74360, that added together give a palindrome (74647).

The spelling of 28774360 in words is "twenty-eight million, seven hundred seventy-four thousand, three hundred sixty".