1704160920 has 512 divisors, whose sum is σ = 7116595200. Its totient is φ = 315187200.

The previous prime is 1704160883. The next prime is 1704160943. The reversal of 1704160920 is 290614071.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2984235 + ... + 2984805.

It is an arithmetic number, because the mean of its divisors is an integer number (13899600).

Almost surely, 2^1704160920 is an apocalyptic number.

1704160920 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 1704160920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3558297600).

1704160920 is an abundant number, since it is smaller than the sum of its proper divisors (5412434280).

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

1704160920 is a wasteful number, since it uses less digits than its factorization.

1704160920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639 (or 635 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 1704160920 is about 41281.4839849538. The cubic root of 1704160920 is about 1194.4561217311.

Adding to 1704160920 its reverse (290614071), we get a palindrome (1994774991).

The spelling of 1704160920 in words is "one billion, seven hundred four million, one hundred sixty thousand, nine hundred twenty".