683728272 has 30 divisors (see below), whose sum is σ = 1913489942. Its totient is φ = 227909376.

The previous prime is 683728271. The next prime is 683728301. The reversal of 683728272 is 272827386.

683728272 is a `hidden beast` number, since 6 + 8 + 372 + 8 + 272 = 666.

It can be written as a sum of positive squares in only one way, i.e., 559984896 + 123743376 = 23664^2 + 11124^2 .

It is not an unprimeable number, because it can be changed into a prime (683728271) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2373913 + ... + 2374200.

Almost surely, 2^683728272 is an apocalyptic number.

It is an amenable number.

683728272 is an abundant number, since it is smaller than the sum of its proper divisors (1229761670).

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

683728272 is a wasteful number, since it uses less digits than its factorization.

683728272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4748127 (or 4748118 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 683728272 is about 26148.1982553292. The cubic root of 683728272 is about 880.9701215944.

The spelling of 683728272 in words is "six hundred eighty-three million, seven hundred twenty-eight thousand, two hundred seventy-two".