1730420234 has 8 divisors (see below), whose sum is σ = 2596790208. Its totient is φ = 864823500.

The previous prime is 1730420207. The next prime is 1730420243. The reversal of 1730420234 is 4320240371.

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

It is a super-2 number, since 2×1730420234² = 5988708372473229512, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 187682 + ... + 196685.

It is an arithmetic number, because the mean of its divisors is an integer number (324598776).

Almost surely, 2^1730420234 is an apocalyptic number.

1730420234 is a deficient number, since it is larger than the sum of its proper divisors (866369974).

1730420234 is a wasteful number, since it uses less digits than its factorization.

1730420234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386620.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 1730420234 is about 41598.3200862727. The cubic root of 1730420234 is about 1200.5599779984.

The spelling of 1730420234 in words is "one billion, seven hundred thirty million, four hundred twenty thousand, two hundred thirty-four".