30703328 has 12 divisors (see below), whose sum is σ = 60447240. Its totient is φ = 15351648.

The previous prime is 30703327. The next prime is 30703349. The reversal of 30703328 is 82330703.

It is a junction number, because it is equal to n+sod(n) for n = 30703297 and 30703306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30703327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 479708 + ... + 479771.

It is an arithmetic number, because the mean of its divisors is an integer number (5037270).

Almost surely, 2^30703328 is an apocalyptic number.

It is an amenable number.

30703328 is a deficient number, since it is larger than the sum of its proper divisors (29743912).

30703328 is an equidigital number, since it uses as much as digits as its factorization.

30703328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959489 (or 959481 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 30703328 is about 5541.0583826558. The cubic root of 30703328 is about 313.1327442066.

The spelling of 30703328 in words is "thirty million, seven hundred three thousand, three hundred twenty-eight".