30270266 has 24 divisors (see below), whose sum is σ = 49787220. Its totient is φ = 13802568.

The previous prime is 30270263. The next prime is 30270293. The reversal of 30270266 is 66207203.

It can be written as a sum of positive squares in 2 ways, for example, as 9431041 + 20839225 = 3071^2 + 4565^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (30270263) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 364661 + ... + 364743.

Almost surely, 2^30270266 is an apocalyptic number.

30270266 is a deficient number, since it is larger than the sum of its proper divisors (19516954).

30270266 is an frugal number, since it uses more digits than its factorization.

30270266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207 (or 98 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 30270266 is about 5501.8420551666. The cubic root of 30270266 is about 311.6535506251.

Multiplying 30270266 by its sum of digits (26), we get a square (787026916 = 28054²).

30270266 divided by its sum of digits (26) gives a square (1164241 = 1079²).

Adding to 30270266 its reverse (66207203), we get a palindrome (96477469).

The spelling of 30270266 in words is "thirty million, two hundred seventy thousand, two hundred sixty-six".