30493370 has 16 divisors (see below), whose sum is σ = 55550880. Its totient is φ = 12050064.

The previous prime is 30493363. The next prime is 30493373. The reversal of 30493370 is 7339403.

It is a super-2 number, since 2×30493370² = 1859691227913800, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30493373) 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, 17540 + ... + 19199.

It is an arithmetic number, because the mean of its divisors is an integer number (3471930).

Almost surely, 2^30493370 is an apocalyptic number.

30493370 is a deficient number, since it is larger than the sum of its proper divisors (25057510).

30493370 is a wasteful number, since it uses less digits than its factorization.

30493370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36829.

The product of its (nonzero) digits is 6804, while the sum is 29.

The square root of 30493370 is about 5522.0802239736. The cubic root of 30493370 is about 312.4173477415.

The spelling of 30493370 in words is "thirty million, four hundred ninety-three thousand, three hundred seventy".