1706668340 has 48 divisors (see below), whose sum is σ = 3881364480. Its totient is φ = 626616960.

The previous prime is 1706668339. The next prime is 1706668349. The reversal of 1706668340 is 438666071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1706668349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28205 + ... + 64875.

It is an arithmetic number, because the mean of its divisors is an integer number (80861760).

Almost surely, 2^1706668340 is an apocalyptic number.

1706668340 is a gapful number since it is divisible by the number (10) 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 1706668340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1940682240).

1706668340 is an abundant number, since it is smaller than the sum of its proper divisors (2174696140).

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

1706668340 is a wasteful number, since it uses less digits than its factorization.

1706668340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36872 (or 36870 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 1706668340 is about 41311.8426120162. The cubic root of 1706668340 is about 1195.0416563153.

The spelling of 1706668340 in words is "one billion, seven hundred six million, six hundred sixty-eight thousand, three hundred forty".