30676705 has 4 divisors (see below), whose sum is σ = 36812052. Its totient is φ = 24541360.

The previous prime is 30676703. The next prime is 30676739. The reversal of 30676705 is 50767603.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50767603 = 29 ⋅1750607.

It can be written as a sum of positive squares in 2 ways, for example, as 19501056 + 11175649 = 4416^2 + 3343^2 .

It is not a de Polignac number, because 30676705 - 2¹ = 30676703 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30676703) 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, 3067666 + ... + 3067675.

It is an arithmetic number, because the mean of its divisors is an integer number (9203013).

Almost surely, 2^30676705 is an apocalyptic number.

It is an amenable number.

30676705 is a deficient number, since it is larger than the sum of its proper divisors (6135347).

30676705 is an equidigital number, since it uses as much as digits as its factorization.

30676705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6135346.

The product of its (nonzero) digits is 26460, while the sum is 34.

The square root of 30676705 is about 5538.6555227781. The cubic root of 30676705 is about 313.0422117431.

The spelling of 30676705 in words is "thirty million, six hundred seventy-six thousand, seven hundred five".