5312728 has 8 divisors (see below), whose sum is σ = 9961380. Its totient is φ = 2656360.

The previous prime is 5312689. The next prime is 5312737. The reversal of 5312728 is 8272135.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 5312696 and 5312705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 332038 + ... + 332053.

Almost surely, 2^5312728 is an apocalyptic number.

It is an amenable number.

5312728 is a deficient number, since it is larger than the sum of its proper divisors (4648652).

5312728 is a wasteful number, since it uses less digits than its factorization.

5312728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664097 (or 664093 counting only the distinct ones).

The product of its digits is 3360, while the sum is 28.

The square root of 5312728 is about 2304.9355739369. The cubic root of 5312728 is about 174.4907973461.

The spelling of 5312728 in words is "five million, three hundred twelve thousand, seven hundred twenty-eight".