1728948212 has 12 divisors (see below), whose sum is σ = 3203639460. Its totient is φ = 813622656.

The previous prime is 1728948211. The next prime is 1728948223. The reversal of 1728948212 is 2128498271.

It can be written as a sum of positive squares in 2 ways, for example, as 1202979856 + 525968356 = 34684^2 + 22934^2 .

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1728948211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12712787 + ... + 12712922.

It is an arithmetic number, because the mean of its divisors is an integer number (266969955).

Almost surely, 2^1728948212 is an apocalyptic number.

It is an amenable number.

1728948212 is a deficient number, since it is larger than the sum of its proper divisors (1474691248).

1728948212 is a wasteful number, since it uses less digits than its factorization.

1728948212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25425730 (or 25425728 counting only the distinct ones).

The product of its digits is 129024, while the sum is 44.

The square root of 1728948212 is about 41580.6230352553. The cubic root of 1728948212 is about 1200.2194533829.

The spelling of 1728948212 in words is "one billion, seven hundred twenty-eight million, nine hundred forty-eight thousand, two hundred twelve".