30689700 has 36 divisors (see below), whose sum is σ = 88796400. Its totient is φ = 8183840.

The previous prime is 30689669. The next prime is 30689717. The reversal of 30689700 is 798603.

It is a happy number.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50850 + ... + 51449.

Almost surely, 2^30689700 is an apocalyptic number.

30689700 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30689700 is an abundant number, since it is smaller than the sum of its proper divisors (58106700).

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

30689700 is a wasteful number, since it uses less digits than its factorization.

30689700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102316 (or 102309 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 30689700 is about 5539.8285172016. The cubic root of 30689700 is about 313.0864082462.

The spelling of 30689700 in words is "thirty million, six hundred eighty-nine thousand, seven hundred".