28476072 has 48 divisors (see below), whose sum is σ = 78287040. Its totient is φ = 9348768.

The previous prime is 28476061. The next prime is 28476089. The reversal of 28476072 is 27067482.

28476072 is a `hidden beast` number, since 2 + 8 + 47 + 607 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1873 + ... + 7775.

It is an arithmetic number, because the mean of its divisors is an integer number (1630980).

Almost surely, 2^28476072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28476072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39143520).

28476072 is an abundant number, since it is smaller than the sum of its proper divisors (49810968).

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

28476072 is a wasteful number, since it uses less digits than its factorization.

28476072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5982 (or 5975 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 28476072 is about 5336.2975929009. The cubic root of 28476072 is about 305.3702285441.

It can be divided in two parts, 28 and 476072, that added together give a square (476100 = 690²).

The spelling of 28476072 in words is "twenty-eight million, four hundred seventy-six thousand, seventy-two".