30203764 has 12 divisors (see below), whose sum is σ = 55965924. Its totient is φ = 14213504.

The previous prime is 30203743. The next prime is 30203777. The reversal of 30203764 is 46730203.

It can be written as a sum of positive squares in 2 ways, for example, as 26440164 + 3763600 = 5142^2 + 1940^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222019 + ... + 222154.

It is an arithmetic number, because the mean of its divisors is an integer number (4663827).

Almost surely, 2^30203764 is an apocalyptic number.

30203764 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

30203764 is a deficient number, since it is larger than the sum of its proper divisors (25762160).

30203764 is a wasteful number, since it uses less digits than its factorization.

30203764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444194 (or 444192 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 30203764 is about 5495.7951199076. The cubic root of 30203764 is about 311.4251550922.

Adding to 30203764 its reverse (46730203), we get a palindrome (76933967).

The spelling of 30203764 in words is "thirty million, two hundred three thousand, seven hundred sixty-four".