30793145 has 8 divisors (see below), whose sum is σ = 37179456. Its totient is φ = 24482736.

The previous prime is 30793141. The next prime is 30793151. The reversal of 30793145 is 54139703.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 30793145 - 2² = 30793141 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30793141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18077 + ... + 19706.

It is an arithmetic number, because the mean of its divisors is an integer number (4647432).

Almost surely, 2^30793145 is an apocalyptic number.

It is an amenable number.

30793145 is a deficient number, since it is larger than the sum of its proper divisors (6386311).

30793145 is a wasteful number, since it uses less digits than its factorization.

30793145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37951.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 30793145 is about 5549.1571432065. The cubic root of 30793145 is about 313.4377845772.

The spelling of 30793145 in words is "thirty million, seven hundred ninety-three thousand, one hundred forty-five".