171274047 has 16 divisors (see below), whose sum is σ = 261268992. Its totient is φ = 97765920.

The previous prime is 171274027. The next prime is 171274049. The reversal of 171274047 is 740472171.

It is not a de Polignac number, because 171274047 - 2¹⁶ = 171208511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 171273999 and 171274017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171274049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18438 + ... + 26124.

It is an arithmetic number, because the mean of its divisors is an integer number (16329312).

Almost surely, 2^171274047 is an apocalyptic number.

171274047 is a deficient number, since it is larger than the sum of its proper divisors (89994945).

171274047 is a wasteful number, since it uses less digits than its factorization.

171274047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8758.

The product of its (nonzero) digits is 10976, while the sum is 33.

The square root of 171274047 is about 13087.1710846921. The cubic root of 171274047 is about 555.3462622937.

The spelling of 171274047 in words is "one hundred seventy-one million, two hundred seventy-four thousand, forty-seven".