1673311730 has 16 divisors (see below), whose sum is σ = 3013862040. Its totient is φ = 668902272.

The previous prime is 1673311711. The next prime is 1673311747. The reversal of 1673311730 is 371133761.

It can be written as a sum of positive squares in 4 ways, for example, as 1583801209 + 89510521 = 39797^2 + 9461^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35909 + ... + 68088.

Almost surely, 2^1673311730 is an apocalyptic number.

1673311730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1673311730 is a deficient number, since it is larger than the sum of its proper divisors (1340550310).

1673311730 is a wasteful number, since it uses less digits than its factorization.

1673311730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105613.

The product of its (nonzero) digits is 7938, while the sum is 32.

The square root of 1673311730 is about 40906.1331587331. The cubic root of 1673311730 is about 1187.2047307247.

The spelling of 1673311730 in words is "one billion, six hundred seventy-three million, three hundred eleven thousand, seven hundred thirty".