147172207 has 8 divisors (see below), whose sum is σ = 181135136. Its totient is φ = 116443872.

The previous prime is 147172177. The next prime is 147172231. The reversal of 147172207 is 702271741.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-147172207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147172237) 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, 808548 + ... + 808729.

It is an arithmetic number, because the mean of its divisors is an integer number (22641892).

Almost surely, 2^147172207 is an apocalyptic number.

147172207 is a deficient number, since it is larger than the sum of its proper divisors (33962929).

147172207 is a wasteful number, since it uses less digits than its factorization.

147172207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1617297.

The product of its (nonzero) digits is 5488, while the sum is 31.

The square root of 147172207 is about 12131.4552713184. The cubic root of 147172207 is about 527.9692157117.

The spelling of 147172207 in words is "one hundred forty-seven million, one hundred seventy-two thousand, two hundred seven".