30704149 has 8 divisors (see below), whose sum is σ = 36616320. Its totient is φ = 25173456.

The previous prime is 30704143. The next prime is 30704161. The reversal of 30704149 is 94140703.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30704149 - 2⁹ = 30703637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30704143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95194 + ... + 95515.

It is an arithmetic number, because the mean of its divisors is an integer number (4577040).

Almost surely, 2^30704149 is an apocalyptic number.

It is an amenable number.

30704149 is a deficient number, since it is larger than the sum of its proper divisors (5912171).

30704149 is a wasteful number, since it uses less digits than its factorization.

30704149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190739.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 30704149 is about 5541.1324654803. The cubic root of 30704149 is about 313.1355352144.

The spelling of 30704149 in words is "thirty million, seven hundred four thousand, one hundred forty-nine".