28076076 has 72 divisors (see below), whose sum is σ = 83026944. Its totient is φ = 7832160.

The previous prime is 28076057. The next prime is 28076101. The reversal of 28076076 is 67067082.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is a self number, because there is not a number n which added to its sum of digits gives 28076076.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9541 + ... + 12131.

It is an arithmetic number, because the mean of its divisors is an integer number (1153152).

Almost surely, 2^28076076 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 28076076, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41513472).

28076076 is an abundant number, since it is smaller than the sum of its proper divisors (54950868).

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

28076076 is a wasteful number, since it uses less digits than its factorization.

28076076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2651 (or 2646 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 28076076 is about 5298.6862522705. The cubic root of 28076076 is about 303.9336622333.

The spelling of 28076076 in words is "twenty-eight million, seventy-six thousand, seventy-six".