673503330 has 32 divisors (see below), whose sum is σ = 1646910144. Its totient is φ = 176211776.

The previous prime is 673503307. The next prime is 673503377. The reversal of 673503330 is 33305376.

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

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, 210204 + ... + 213383.

It is an arithmetic number, because the mean of its divisors is an integer number (51465942).

Almost surely, 2^673503330 is an apocalyptic number.

673503330 is an abundant number, since it is smaller than the sum of its proper divisors (973406814).

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

673503330 is a wasteful number, since it uses less digits than its factorization.

673503330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423650.

The product of its (nonzero) digits is 17010, while the sum is 30.

The square root of 673503330 is about 25951.9427018480. The cubic root of 673503330 is about 876.5565024834.

The spelling of 673503330 in words is "six hundred seventy-three million, five hundred three thousand, three hundred thirty".