30370147 has 4 divisors (see below), whose sum is σ = 30506560. Its totient is φ = 30233736.

The previous prime is 30370133. The next prime is 30370159. The reversal of 30370147 is 74107303.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74107303 = 53 ⋅1398251.

It is a cyclic number.

It is not a de Polignac number, because 30370147 - 2⁷ = 30370019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30370127) 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, 67872 + ... + 68317.

It is an arithmetic number, because the mean of its divisors is an integer number (7626640).

Almost surely, 2^30370147 is an apocalyptic number.

30370147 is a deficient number, since it is larger than the sum of its proper divisors (136413).

30370147 is a wasteful number, since it uses less digits than its factorization.

30370147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136412.

The product of its (nonzero) digits is 1764, while the sum is 25.

The square root of 30370147 is about 5510.9116305744. The cubic root of 30370147 is about 311.9959558702.

The spelling of 30370147 in words is "thirty million, three hundred seventy thousand, one hundred forty-seven".