30027764 has 12 divisors (see below), whose sum is σ = 56590884. Its totient is φ = 13858944.

The previous prime is 30027761. The next prime is 30027779. The reversal of 30027764 is 46772003.

It can be written as a sum of positive squares in 2 ways, for example, as 16337764 + 13690000 = 4042^2 + 3700^2 .

It is a super-2 number, since 2×30027764² = 1803333221679392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30027761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 288677 + ... + 288780.

It is an arithmetic number, because the mean of its divisors is an integer number (4715907).

Almost surely, 2^30027764 is an apocalyptic number.

It is an amenable number.

30027764 is a deficient number, since it is larger than the sum of its proper divisors (26563120).

30027764 is a wasteful number, since it uses less digits than its factorization.

30027764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577474 (or 577472 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 30027764 is about 5479.7594837730. The cubic root of 30027764 is about 310.8190757108.

Adding to 30027764 its reverse (46772003), we get a palindrome (76799767).

The spelling of 30027764 in words is "thirty million, twenty-seven thousand, seven hundred sixty-four".