30406730 has 16 divisors (see below), whose sum is σ = 55041120. Its totient is φ = 12094032.

The previous prime is 30406723. The next prime is 30406741. The reversal of 30406730 is 3760403.

It is a junction number, because it is equal to n+sod(n) for n = 30406696 and 30406705.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6704 + ... + 10283.

It is an arithmetic number, because the mean of its divisors is an integer number (3440070).

Almost surely, 2^30406730 is an apocalyptic number.

30406730 is a deficient number, since it is larger than the sum of its proper divisors (24634390).

30406730 is a wasteful number, since it uses less digits than its factorization.

30406730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17173.

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 30406730 is about 5514.2297739576. The cubic root of 30406730 is about 312.1211793693.

The spelling of 30406730 in words is "thirty million, four hundred six thousand, seven hundred thirty".