30824730 has 24 divisors (see below), whose sum is σ = 80144532. Its totient is φ = 8219904.

The previous prime is 30824719. The next prime is 30824741. The reversal of 30824730 is 3742803.

It is an interprime number because it is at equal distance from previous prime (30824719) and next prime (30824741).

It can be written as a sum of positive squares in 2 ways, for example, as 28547649 + 2277081 = 5343^2 + 1509^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30824694 and 30824703.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 171159 + ... + 171338.

Almost surely, 2^30824730 is an apocalyptic number.

30824730 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30824730 is an abundant number, since it is smaller than the sum of its proper divisors (49319802).

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

30824730 is a wasteful number, since it uses less digits than its factorization.

30824730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342510 (or 342507 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 30824730 is about 5552.0023414981. The cubic root of 30824730 is about 313.5449139347.

The spelling of 30824730 in words is "thirty million, eight hundred twenty-four thousand, seven hundred thirty".