30700669 has 4 divisors (see below), whose sum is σ = 30711996. Its totient is φ = 30689344.

The previous prime is 30700627. The next prime is 30700679. The reversal of 30700669 is 96600703.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 96600703 = 277 ⋅348739.

It can be written as a sum of positive squares in 2 ways, for example, as 19909444 + 10791225 = 4462^2 + 3285^2 .

It is a cyclic number.

It is not a de Polignac number, because 30700669 - 2⁹ = 30700157 is a prime.

It is a super-2 number, since 2×30700669² = 1885062154095122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30700669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30700609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1077 + ... + 7909.

It is an arithmetic number, because the mean of its divisors is an integer number (7677999).

Almost surely, 2^30700669 is an apocalyptic number.

It is an amenable number.

30700669 is a deficient number, since it is larger than the sum of its proper divisors (11327).

30700669 is an equidigital number, since it uses as much as digits as its factorization.

30700669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11326.

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

The square root of 30700669 is about 5540.8184413496. The cubic root of 30700669 is about 313.1237045350.

The spelling of 30700669 in words is "thirty million, seven hundred thousand, six hundred sixty-nine".