147173427 has 6 divisors (see below), whose sum is σ = 212583852. Its totient is φ = 98115612.

The previous prime is 147173423. The next prime is 147173447. The reversal of 147173427 is 724371741.

It is not a de Polignac number, because 147173427 - 2² = 147173423 is a prime.

It is a super-3 number, since 3×147173427³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 147173391 and 147173400.

It is not an unprimeable number, because it can be changed into a prime (147173423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8176293 + ... + 8176310.

It is an arithmetic number, because the mean of its divisors is an integer number (35430642).

Almost surely, 2^147173427 is an apocalyptic number.

147173427 is a deficient number, since it is larger than the sum of its proper divisors (65410425).

147173427 is a wasteful number, since it uses less digits than its factorization.

147173427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16352609 (or 16352606 counting only the distinct ones).

The product of its digits is 32928, while the sum is 36.

The square root of 147173427 is about 12131.5055537225. The cubic root of 147173427 is about 527.9706745937.

The spelling of 147173427 in words is "one hundred forty-seven million, one hundred seventy-three thousand, four hundred twenty-seven".