1683708672 has 72 divisors (see below), whose sum is σ = 4538007040. Its totient is φ = 554112000.

The previous prime is 1683708671. The next prime is 1683708703. The reversal of 1683708672 is 2768073861.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (1683708671) 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 7 ways as a sum of consecutive naturals, for example, 46797 + ... + 74547.

Almost surely, 2^1683708672 is an apocalyptic number.

1683708672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1683708672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2269003520).

1683708672 is an abundant number, since it is smaller than the sum of its proper divisors (2854298368).

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

1683708672 is an equidigital number, since it uses as much as digits as its factorization.

1683708672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27849 (or 27835 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 48.

The square root of 1683708672 is about 41033.0192893479. The cubic root of 1683708672 is about 1189.6585118111.

The spelling of 1683708672 in words is "one billion, six hundred eighty-three million, seven hundred eight thousand, six hundred seventy-two".