30270693 has 32 divisors (see below), whose sum is σ = 44876160. Its totient is φ = 18063360.

The previous prime is 30270671. The next prime is 30270697. The reversal of 30270693 is 39607203.

It is a happy number.

It is not a de Polignac number, because 30270693 - 2⁸ = 30270437 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30270693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30270697) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 143358 + ... + 143568.

It is an arithmetic number, because the mean of its divisors is an integer number (1402380).

Almost surely, 2^30270693 is an apocalyptic number.

It is an amenable number.

30270693 is a deficient number, since it is larger than the sum of its proper divisors (14605467).

30270693 is a wasteful number, since it uses less digits than its factorization.

30270693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357.

The product of its (nonzero) digits is 6804, while the sum is 30.

The square root of 30270693 is about 5501.8808602150. The cubic root of 30270693 is about 311.6550160394.

Adding to 30270693 its reverse (39607203), we get a palindrome (69877896).

The spelling of 30270693 in words is "thirty million, two hundred seventy thousand, six hundred ninety-three".