28719054 has 96 divisors (see below), whose sum is σ = 77837760. Its totient is φ = 7451136.

The previous prime is 28719037. The next prime is 28719059. The reversal of 28719054 is 45091782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28719059) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 145684 + ... + 145880.

It is an arithmetic number, because the mean of its divisors is an integer number (810810).

Almost surely, 2^28719054 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28719054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38918880).

28719054 is an abundant number, since it is smaller than the sum of its proper divisors (49118706).

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

28719054 is a wasteful number, since it uses less digits than its factorization.

28719054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314 (or 311 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 28719054 is about 5359.0161410468. The cubic root of 28719054 is about 306.2363290302.

The spelling of 28719054 in words is "twenty-eight million, seven hundred nineteen thousand, fifty-four".