1745481 has 8 divisors (see below), whose sum is σ = 2407680. Its totient is φ = 1123472.

The previous prime is 1745479. The next prime is 1745489. The reversal of 1745481 is 1845471.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1745481 - 2¹ = 1745479 is a prime.

It is a super-2 number, since 2×1745481² = 6093407842722, which contains 22 as substring.

1745481 is a lucky number.

It is a nialpdrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (1745489) 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, 9945 + ... + 10118.

It is an arithmetic number, because the mean of its divisors is an integer number (300960).

2^1745481 is an apocalyptic number.

It is an amenable number.

1745481 is a deficient number, since it is larger than the sum of its proper divisors (662199).

1745481 is a wasteful number, since it uses less digits than its factorization.

1745481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20095.

The product of its digits is 4480, while the sum is 30.

The square root of 1745481 is about 1321.1665300029. The cubic root of 1745481 is about 120.4032958631.

The spelling of 1745481 in words is "one million, seven hundred forty-five thousand, four hundred eighty-one".