30740830 has 16 divisors (see below), whose sum is σ = 55442880. Its totient is φ = 12272032.

The previous prime is 30740819. The next prime is 30740833. The reversal of 30740830 is 3804703.

It is a junction number, because it is equal to n+sod(n) for n = 30740795 and 30740804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30740833) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2811 + ... + 8329.

It is an arithmetic number, because the mean of its divisors is an integer number (3465180).

Almost surely, 2^30740830 is an apocalyptic number.

30740830 is a deficient number, since it is larger than the sum of its proper divisors (24702050).

30740830 is a wasteful number, since it uses less digits than its factorization.

30740830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6083.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 30740830 is about 5544.4413604979. The cubic root of 30740830 is about 313.2601823601.

The spelling of 30740830 in words is "thirty million, seven hundred forty thousand, eight hundred thirty".