673420330 has 32 divisors (see below), whose sum is σ = 1324548288. Its totient is φ = 244473600.

The previous prime is 673420301. The next prime is 673420361. The reversal of 673420330 is 33024376.

It is an unprimeable number.

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, 65970 + ... + 75490.

It is an arithmetic number, because the mean of its divisors is an integer number (41392134).

Almost surely, 2^673420330 is an apocalyptic number.

673420330 is a deficient number, since it is larger than the sum of its proper divisors (651127958).

673420330 is a wasteful number, since it uses less digits than its factorization.

673420330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10182.

The product of its (nonzero) digits is 9072, while the sum is 28.

The square root of 673420330 is about 25950.3435430054. The cubic root of 673420330 is about 876.5204931695.

The spelling of 673420330 in words is "six hundred seventy-three million, four hundred twenty thousand, three hundred thirty".