1705872648 has 48 divisors (see below), whose sum is σ = 4458197520. Its totient is φ = 543897376.

The previous prime is 1705872587. The next prime is 1705872653. The reversal of 1705872648 is 8462785071.

It is a junction number, because it is equal to n+sod(n) for n = 1705872597 and 1705872606.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54486 + ... + 79877.

It is an arithmetic number, because the mean of its divisors is an integer number (92879115).

Almost surely, 2^1705872648 is an apocalyptic number.

It is an amenable number.

1705872648 is an abundant number, since it is smaller than the sum of its proper divisors (2752324872).

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

1705872648 is a wasteful number, since it uses less digits than its factorization.

1705872648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134418 (or 134391 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 48.

The square root of 1705872648 is about 41302.2111756744. The cubic root of 1705872648 is about 1194.8559078843.

The spelling of 1705872648 in words is "one billion, seven hundred five million, eight hundred seventy-two thousand, six hundred forty-eight".