1730215338 has 64 divisors (see below), whose sum is σ = 3675082752. Its totient is φ = 542183040.

The previous prime is 1730215337. The next prime is 1730215351. The reversal of 1730215338 is 8335120371.

It is a junction number, because it is equal to n+sod(n) for n = 1730215299 and 1730215308.

It is not an unprimeable number, because it can be changed into a prime (1730215337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1815070 + ... + 1816022.

It is an arithmetic number, because the mean of its divisors is an integer number (57423168).

Almost surely, 2^1730215338 is an apocalyptic number.

1730215338 is an abundant number, since it is smaller than the sum of its proper divisors (1944867414).

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

1730215338 is a wasteful number, since it uses less digits than its factorization.

1730215338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1259.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 1730215338 is about 41595.8572216032. The cubic root of 1730215338 is about 1200.5125907333.

It can be divided in two parts, 17302 and 15338, that added together give a triangular number (32640 = T₂₅₅).

The spelling of 1730215338 in words is "one billion, seven hundred thirty million, two hundred fifteen thousand, three hundred thirty-eight".