147210447 has 8 divisors (see below), whose sum is σ = 196363440. Its totient is φ = 98098880.

The previous prime is 147210443. The next prime is 147210523. The reversal of 147210447 is 744012741.

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 147210447 - 2² = 147210443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147210443) 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, 804 + ... + 17177.

It is an arithmetic number, because the mean of its divisors is an integer number (24545430).

Almost surely, 2^147210447 is an apocalyptic number.

147210447 is a deficient number, since it is larger than the sum of its proper divisors (49152993).

147210447 is a wasteful number, since it uses less digits than its factorization.

147210447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20713.

The product of its (nonzero) digits is 6272, while the sum is 30.

The square root of 147210447 is about 12133.0312370817. The cubic root of 147210447 is about 528.0149394591.

The spelling of 147210447 in words is "one hundred forty-seven million, two hundred ten thousand, four hundred forty-seven".