1713243840 has 672 divisors, whose sum is σ = 7134758400. Its totient is φ = 347719680.

The previous prime is 1713243839. The next prime is 1713243841. The reversal of 1713243840 is 483423171.

It is an interprime number because it is at equal distance from previous prime (1713243839) and next prime (1713243841).

It is a tau number, because it is divible by the number of its divisors (672).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (1713243841) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 39842859 + ... + 39842901.

It is an arithmetic number, because the mean of its divisors is an integer number (10617200).

Almost surely, 2^1713243840 is an apocalyptic number.

1713243840 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 1713243840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3567379200).

1713243840 is an abundant number, since it is smaller than the sum of its proper divisors (5421514560).

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

1713243840 is a wasteful number, since it uses less digits than its factorization.

1713243840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 1713243840 is about 41391.3498209469. The cubic root of 1713243840 is about 1196.5744528828.

The spelling of 1713243840 in words is "one billion, seven hundred thirteen million, two hundred forty-three thousand, eight hundred forty".