30669700 has 36 divisors (see below), whose sum is σ = 70472052. Its totient is φ = 11545600.

The previous prime is 30669697. The next prime is 30669701. The reversal of 30669700 is 796603.

It can be written as a sum of positive squares in 6 ways, for example, as 2452356 + 28217344 = 1566^2 + 5312^2 .

It is not an unprimeable number, because it can be changed into a prime (30669701) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7321 + ... + 10720.

It is an arithmetic number, because the mean of its divisors is an integer number (1957557).

Almost surely, 2^30669700 is an apocalyptic number.

It is an amenable number.

30669700 is an abundant number, since it is smaller than the sum of its proper divisors (39802352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30669700 is a wasteful number, since it uses less digits than its factorization.

30669700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18072 (or 18065 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 30669700 is about 5538.0231129890. The cubic root of 30669700 is about 313.0183822866.

The spelling of 30669700 in words is "thirty million, six hundred sixty-nine thousand, seven hundred".