30680700 has 72 divisors (see below), whose sum is σ = 91660800. Its totient is φ = 7915200.

The previous prime is 30680641. The next prime is 30680717. The reversal of 30680700 is 708603.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 7651 + ... + 10949.

Almost surely, 2^30680700 is an apocalyptic number.

30680700 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30680700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45830400).

30680700 is an abundant number, since it is smaller than the sum of its proper divisors (60980100).

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

30680700 is a wasteful number, since it uses less digits than its factorization.

30680700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3347 (or 3340 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 30680700 is about 5539.0161581277. The cubic root of 30680700 is about 313.0558002228.

The spelling of 30680700 in words is "thirty million, six hundred eighty thousand, seven hundred".