1683707472 has 100 divisors (see below), whose sum is σ = 5159860596. Its totient is φ = 528215040.

The previous prime is 1683707393. The next prime is 1683707503. The reversal of 1683707472 is 2747073861.

It can be written as a sum of positive squares in 2 ways, for example, as 601034256 + 1082673216 = 24516^2 + 32904^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 16179 + ... + 60242.

Almost surely, 2^1683707472 is an apocalyptic number.

1683707472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1683707472 is an abundant number, since it is smaller than the sum of its proper divisors (3476153124).

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

1683707472 is a wasteful number, since it uses less digits than its factorization.

1683707472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76458 (or 76443 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 45.

The square root of 1683707472 is about 41033.0046669751. The cubic root of 1683707472 is about 1189.6582291829.

The spelling of 1683707472 in words is "one billion, six hundred eighty-three million, seven hundred seven thousand, four hundred seventy-two".