5428720 has 80 divisors (see below), whose sum is σ = 14284800. Its totient is φ = 1900800.

The previous prime is 5428697. The next prime is 5428721. The reversal of 5428720 is 278245.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5428721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27181 + ... + 27379.

It is an arithmetic number, because the mean of its divisors is an integer number (178560).

Almost surely, 2^5428720 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 5428720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7142400).

5428720 is an abundant number, since it is smaller than the sum of its proper divisors (8856080).

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

5428720 is a wasteful number, since it uses less digits than its factorization.

5428720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254 (or 248 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 5428720 is about 2329.9613730704. The cubic root of 5428720 is about 175.7515433618.

The spelling of 5428720 in words is "five million, four hundred twenty-eight thousand, seven hundred twenty".