1683568272 has 20 divisors (see below), whose sum is σ = 4349218160. Its totient is φ = 561189408.

The previous prime is 1683568241. The next prime is 1683568277. The reversal of 1683568272 is 2728653861.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 35074339 = 1683568272 / (1 + 6 + 8 + 3 + 5 + 6 + 8 + 2 + 7 + 2).

It is not an unprimeable number, because it can be changed into a prime (1683568277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17537122 + ... + 17537217.

It is an arithmetic number, because the mean of its divisors is an integer number (217460908).

Almost surely, 2^1683568272 is an apocalyptic number.

1683568272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1683568272 is an abundant number, since it is smaller than the sum of its proper divisors (2665649888).

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

1683568272 is a wasteful number, since it uses less digits than its factorization.

1683568272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35074350 (or 35074344 counting only the distinct ones).

The product of its digits is 967680, while the sum is 48.

The square root of 1683568272 is about 41031.3084363636. The cubic root of 1683568272 is about 1189.6254434027.

The spelling of 1683568272 in words is "one billion, six hundred eighty-three million, five hundred sixty-eight thousand, two hundred seventy-two".