1730422920 has 64 divisors (see below), whose sum is σ = 5194290240. Its totient is φ = 461177600.

The previous prime is 1730422913. The next prime is 1730422921. The reversal of 1730422920 is 292240371.

It is a super-2 number, since 2×1730422920² = 5988726964122652800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (1730422921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286330 + ... + 292310.

It is an arithmetic number, because the mean of its divisors is an integer number (81160785).

Almost surely, 2^1730422920 is an apocalyptic number.

1730422920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1730422920 is an abundant number, since it is smaller than the sum of its proper divisors (3463867320).

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

1730422920 is a wasteful number, since it uses less digits than its factorization.

1730422920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8406 (or 8402 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 1730422920 is about 41598.3523712178. The cubic root of 1730422920 is about 1200.5605991775.

The spelling of 1730422920 in words is "one billion, seven hundred thirty million, four hundred twenty-two thousand, nine hundred twenty".