30734745 has 8 divisors (see below), whose sum is σ = 49175616. Its totient is φ = 16391856.

The previous prime is 30734731. The next prime is 30734747. The reversal of 30734745 is 54743703.

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

It is not a de Polignac number, because 30734745 - 2⁴ = 30734729 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30734747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1024477 + ... + 1024506.

It is an arithmetic number, because the mean of its divisors is an integer number (6146952).

Almost surely, 2^30734745 is an apocalyptic number.

It is an amenable number.

30734745 is a deficient number, since it is larger than the sum of its proper divisors (18440871).

30734745 is a wasteful number, since it uses less digits than its factorization.

30734745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2048991.

The product of its (nonzero) digits is 35280, while the sum is 33.

The square root of 30734745 is about 5543.8925855395. The cubic root of 30734745 is about 313.2395115455.

The spelling of 30734745 in words is "thirty million, seven hundred thirty-four thousand, seven hundred forty-five".