30328773 has 24 divisors (see below), whose sum is σ = 42601440. Its totient is φ = 19181760.

The previous prime is 30328763. The next prime is 30328777. The reversal of 30328773 is 37782303.

It is a happy number.

It is not a de Polignac number, because 30328773 - 2¹⁰ = 30327749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30328777) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 497163 + ... + 497223.

It is an arithmetic number, because the mean of its divisors is an integer number (1775060).

Almost surely, 2^30328773 is an apocalyptic number.

It is an amenable number.

30328773 is a deficient number, since it is larger than the sum of its proper divisors (12272667).

30328773 is an equidigital number, since it uses as much as digits as its factorization.

30328773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229 (or 176 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 33.

The square root of 30328773 is about 5507.1565258307. The cubic root of 30328773 is about 311.8542115559.

The spelling of 30328773 in words is "thirty million, three hundred twenty-eight thousand, seven hundred seventy-three".