1740245720 has 64 divisors (see below), whose sum is σ = 4127328000. Its totient is φ = 658551168.

The previous prime is 1740245719. The next prime is 1740245723. The reversal of 1740245720 is 275420471.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1740245723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 852461 + ... + 854499.

It is an arithmetic number, because the mean of its divisors is an integer number (64489500).

Almost surely, 2^1740245720 is an apocalyptic number.

1740245720 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 1740245720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2063664000).

1740245720 is an abundant number, since it is smaller than the sum of its proper divisors (2387082280).

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

1740245720 is a wasteful number, since it uses less digits than its factorization.

1740245720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3192 (or 3188 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 32.

The square root of 1740245720 is about 41716.2524683126. The cubic root of 1740245720 is about 1202.8279875772.

The spelling of 1740245720 in words is "one billion, seven hundred forty million, two hundred forty-five thousand, seven hundred twenty".