1740145220 has 24 divisors (see below), whose sum is σ = 3986515008. Its totient is φ = 632780000.

The previous prime is 1740145213. The next prime is 1740145241. The reversal of 1740145220 is 225410471.

It is a self number, because there is not a number n which added to its sum of digits gives 1740145220.

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 7 ways as a sum of consecutive naturals, for example, 3954656 + ... + 3955095.

It is an arithmetic number, because the mean of its divisors is an integer number (166104792).

Almost surely, 2^1740145220 is an apocalyptic number.

1740145220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1740145220 is an abundant number, since it is smaller than the sum of its proper divisors (2246369788).

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

1740145220 is a wasteful number, since it uses less digits than its factorization.

1740145220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7909771 (or 7909769 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 1740145220 is about 41715.0478844266. The cubic root of 1740145220 is about 1202.8048325062.

Adding to 1740145220 its reverse (225410471), we get a palindrome (1965555691).

The spelling of 1740145220 in words is "one billion, seven hundred forty million, one hundred forty-five thousand, two hundred twenty".