1705480 has 32 divisors (see below), whose sum is σ = 4386240. Its totient is φ = 584640.

The previous prime is 1705463. The next prime is 1705481. The reversal of 1705480 is 845071.

1705480 = T₁₀₅ + T₁₀₆ + ... + T₂₂₄.

It is not an unprimeable number, because it can be changed into a prime (1705481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2766 + ... + 3325.

It is an arithmetic number, because the mean of its divisors is an integer number (137070).

2^1705480 is an apocalyptic number.

1705480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1705480 is an abundant number, since it is smaller than the sum of its proper divisors (2680760).

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

1705480 is a wasteful number, since it uses less digits than its factorization.

1705480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6109 (or 6105 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 1705480 is about 1305.9402742852. The cubic root of 1705480 is about 119.4764225819.

The spelling of 1705480 in words is "one million, seven hundred five thousand, four hundred eighty".