28494752 has 72 divisors (see below), whose sum is σ = 66407040. Its totient is φ = 11930880.

The previous prime is 28494751. The next prime is 28494779. The reversal of 28494752 is 25749482.

It is not an unprimeable number, because it can be changed into a prime (28494751) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59249 + ... + 59727.

It is an arithmetic number, because the mean of its divisors is an integer number (922320).

Almost surely, 2^28494752 is an apocalyptic number.

28494752 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28494752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33203520).

28494752 is an abundant number, since it is smaller than the sum of its proper divisors (37912288).

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

28494752 is a wasteful number, since it uses less digits than its factorization.

28494752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526 (or 505 counting only the distinct ones).

The product of its digits is 161280, while the sum is 41.

The square root of 28494752 is about 5338.0475831525. The cubic root of 28494752 is about 305.4369871547.

The spelling of 28494752 in words is "twenty-eight million, four hundred ninety-four thousand, seven hundred fifty-two".