1708312320 has 864 divisors, whose sum is σ = 7472896704. Its totient is φ = 353894400.

The previous prime is 1708312313. The next prime is 1708312339. The reversal of 1708312320 is 232138071.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 28005090 + ... + 28005150.

It is an arithmetic number, because the mean of its divisors is an integer number (8649186).

Almost surely, 2^1708312320 is an apocalyptic number.

1708312320 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 1708312320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3736448352).

1708312320 is an abundant number, since it is smaller than the sum of its proper divisors (5764584384).

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

1708312320 is a wasteful number, since it uses less digits than its factorization.

1708312320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 1708312320 is about 41331.7350228611. The cubic root of 1708312320 is about 1195.4252485367.

It can be divided in two parts, 17083 and 12320, that added together give a triangular number (29403 = T₂₄₂).

The spelling of 1708312320 in words is "one billion, seven hundred eight million, three hundred twelve thousand, three hundred twenty".