1705054660 has 12 divisors (see below), whose sum is σ = 3580614828. Its totient is φ = 682021856.

The previous prime is 1705054643. The next prime is 1705054669. The reversal of 1705054660 is 664505071.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 345067776 + 1359986884 = 18576^2 + 36878^2 .

It is a super-2 number, since 2×1705054660² = 5814422787175431200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1705054669) 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, 42626347 + ... + 42626386.

It is an arithmetic number, because the mean of its divisors is an integer number (298384569).

Almost surely, 2^1705054660 is an apocalyptic number.

1705054660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1705054660 is an abundant number, since it is smaller than the sum of its proper divisors (1875560168).

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

1705054660 is a wasteful number, since it uses less digits than its factorization.

1705054660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85252742 (or 85252740 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 1705054660 is about 41292.3075160495. The cubic root of 1705054660 is about 1194.6648943955.

The spelling of 1705054660 in words is "one billion, seven hundred five million, fifty-four thousand, six hundred sixty".