1704681216 has 216 divisors, whose sum is σ = 5913864320. Its totient is φ = 461334528.

The previous prime is 1704681203. The next prime is 1704681229. The reversal of 1704681216 is 6121864071.

It is a happy number.

1704681216 is a `hidden beast` number, since 1 + 70 + 468 + 121 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (1704681203) and next prime (1704681229).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 303651 + ... + 309213.

Almost surely, 2^1704681216 is an apocalyptic number.

1704681216 is a gapful number since it is divisible by the number (16) 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 1704681216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2956932160).

1704681216 is an abundant number, since it is smaller than the sum of its proper divisors (4209183104).

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

1704681216 is a wasteful number, since it uses less digits than its factorization.

1704681216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5611 (or 5594 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 1704681216 is about 41287.7853123657. The cubic root of 1704681216 is about 1194.5776688414.

The spelling of 1704681216 in words is "one billion, seven hundred four million, six hundred eighty-one thousand, two hundred sixteen".