30672147 has 8 divisors (see below), whose sum is σ = 44614080. Its totient is φ = 18589160.

The previous prime is 30672143. The next prime is 30672181. The reversal of 30672147 is 74127603.

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

It is a cyclic number.

It is not a de Polignac number, because 30672147 - 2² = 30672143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30672143) 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, 464697 + ... + 464762.

It is an arithmetic number, because the mean of its divisors is an integer number (5576760).

Almost surely, 2^30672147 is an apocalyptic number.

30672147 is a deficient number, since it is larger than the sum of its proper divisors (13941933).

30672147 is a wasteful number, since it uses less digits than its factorization.

30672147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929473.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 30672147 is about 5538.2440357933. The cubic root of 30672147 is about 313.0267068502.

The spelling of 30672147 in words is "thirty million, six hundred seventy-two thousand, one hundred forty-seven".