30773938 has 8 divisors (see below), whose sum is σ = 49711788. Its totient is φ = 14203344.

The previous prime is 30773933. The next prime is 30773989. The reversal of 30773938 is 83937703.

It can be written as a sum of positive squares in 2 ways, for example, as 30063289 + 710649 = 5483^2 + 843^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 30773938.

It is not an unprimeable number, because it can be changed into a prime (30773933) 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 3 ways as a sum of consecutive naturals, for example, 591781 + ... + 591832.

Almost surely, 2^30773938 is an apocalyptic number.

30773938 is a deficient number, since it is larger than the sum of its proper divisors (18937850).

30773938 is a wasteful number, since it uses less digits than its factorization.

30773938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1183628.

The product of its (nonzero) digits is 95256, while the sum is 40.

The square root of 30773938 is about 5547.4262500731. The cubic root of 30773938 is about 313.3726028444.

The spelling of 30773938 in words is "thirty million, seven hundred seventy-three thousand, nine hundred thirty-eight".