30700 has 18 divisors (see below), whose sum is σ = 66836. Its totient is φ = 12240.

The previous prime is 30697. The next prime is 30703. The reversal of 30700 is 703.

It is an interprime number because it is at equal distance from previous prime (30697) and next prime (30703).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (30703) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 54 + ... + 253.

2³⁰⁷⁰⁰ is an apocalyptic number.

It is an amenable number.

30700 is an abundant number, since it is smaller than the sum of its proper divisors (36136).

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

30700 is a wasteful number, since it uses less digits than its factorization.

30700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321 (or 314 counting only the distinct ones).

The product of its (nonzero) digits is 21, while the sum is 10.

The square root of 30700 is about 175.2141546794. The cubic root of 30700 is about 31.3121430086.

The spelling of 30700 in words is "thirty thousand, seven hundred".