30770361 has 14 divisors (see below), whose sum is σ = 46135530. Its totient is φ = 20513088.

The previous prime is 30770359. The next prime is 30770371. The reversal of 30770361 is 16307703.

It can be written as a sum of positive squares in only one way, i.e., 29160000 + 1610361 = 5400^2 + 1269^2 .

It is not a de Polignac number, because 30770361 - 2¹ = 30770359 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (30770371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 20376 + ... + 21833.

It is an arithmetic number, because the mean of its divisors is an integer number (3295395).

Almost surely, 2^30770361 is an apocalyptic number.

It is an amenable number.

30770361 is a deficient number, since it is larger than the sum of its proper divisors (15365169).

30770361 is an frugal number, since it uses more digits than its factorization.

30770361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42227 (or 42212 counting only the distinct ones).

The product of its (nonzero) digits is 2646, while the sum is 27.

The square root of 30770361 is about 5547.1038389415. The cubic root of 30770361 is about 313.3604607819.

The spelling of 30770361 in words is "thirty million, seven hundred seventy thousand, three hundred sixty-one".