30768283 has 16 divisors (see below), whose sum is σ = 40098240. Its totient is φ = 22910976.

The previous prime is 30768281. The next prime is 30768289. The reversal of 30768283 is 38286703.

It is a cyclic number.

It is not a de Polignac number, because 30768283 - 2¹ = 30768281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30768281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8398 + ... + 11491.

It is an arithmetic number, because the mean of its divisors is an integer number (2506140).

Almost surely, 2^30768283 is an apocalyptic number.

30768283 is a deficient number, since it is larger than the sum of its proper divisors (9329957).

30768283 is a wasteful number, since it uses less digits than its factorization.

30768283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19926.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 30768283 is about 5546.9165308304. The cubic root of 30768283 is about 313.3534066160.

The spelling of 30768283 in words is "thirty million, seven hundred sixty-eight thousand, two hundred eighty-three".