30727194 has 16 divisors (see below), whose sum is σ = 65069568. Its totient is φ = 9639872.

The previous prime is 30727187. The next prime is 30727219. The reversal of 30727194 is 49172703.

It is a super-2 number, since 2×30727194² = 1888320902227272, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 150522 + ... + 150725.

It is an arithmetic number, because the mean of its divisors is an integer number (4066848).

Almost surely, 2^30727194 is an apocalyptic number.

30727194 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

30727194 is an abundant number, since it is smaller than the sum of its proper divisors (34342374).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30727194 is a wasteful number, since it uses less digits than its factorization.

30727194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301269.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 30727194 is about 5543.2115240175. The cubic root of 30727194 is about 313.2138569182.

Adding to 30727194 its reverse (49172703), we get a palindrome (79899897).

The spelling of 30727194 in words is "thirty million, seven hundred twenty-seven thousand, one hundred ninety-four".