1730413981 has 8 divisors (see below), whose sum is σ = 1739000384. Its totient is φ = 1721839680.

The previous prime is 1730413933. The next prime is 1730413991. The reversal of 1730413981 is 1893140371.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1730413981 is a prime.

It is a super-2 number, since 2×1730413981² = 5988665091280536722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1730413981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1730413931) 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, 427690 + ... + 431716.

It is an arithmetic number, because the mean of its divisors is an integer number (217375048).

Almost surely, 2^1730413981 is an apocalyptic number.

It is an amenable number.

1730413981 is a deficient number, since it is larger than the sum of its proper divisors (8586403).

1730413981 is a wasteful number, since it uses less digits than its factorization.

1730413981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6051.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 1730413981 is about 41598.2449269197. The cubic root of 1730413981 is about 1200.5585318929.

The spelling of 1730413981 in words is "one billion, seven hundred thirty million, four hundred thirteen thousand, nine hundred eighty-one".