30769250 has 16 divisors (see below), whose sum is σ = 57600504. Its totient is φ = 12307600.

The previous prime is 30769247. The next prime is 30769259. The reversal of 30769250 is 5296703.

It can be written as a sum of positive squares in 4 ways, for example, as 8025889 + 22743361 = 2833^2 + 4769^2 .

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (30769259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61289 + ... + 61788.

Almost surely, 2^30769250 is an apocalyptic number.

30769250 is a deficient number, since it is larger than the sum of its proper divisors (26831254).

30769250 is a wasteful number, since it uses less digits than its factorization.

30769250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123094 (or 123084 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 30769250 is about 5547.0036956901. The cubic root of 30769250 is about 313.3566893208.

The spelling of 30769250 in words is "thirty million, seven hundred sixty-nine thousand, two hundred fifty".