30744730 has 8 divisors (see below), whose sum is σ = 55340532. Its totient is φ = 12297888.

The previous prime is 30744719. The next prime is 30744737. The reversal of 30744730 is 3744703.

It can be written as a sum of positive squares in 2 ways, for example, as 30724849 + 19881 = 5543^2 + 141^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (30744737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1537227 + ... + 1537246.

Almost surely, 2^30744730 is an apocalyptic number.

30744730 is a deficient number, since it is larger than the sum of its proper divisors (24595802).

30744730 is a wasteful number, since it uses less digits than its factorization.

30744730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3074480.

The product of its (nonzero) digits is 7056, while the sum is 28.

The square root of 30744730 is about 5544.7930529462. The cubic root of 30744730 is about 313.2734292704.

The spelling of 30744730 in words is "thirty million, seven hundred forty-four thousand, seven hundred thirty".