171380472 has 16 divisors (see below), whose sum is σ = 428451240. Its totient is φ = 57126816.

The previous prime is 171380449. The next prime is 171380477. The reversal of 171380472 is 274083171.

It is a happy number.

171380472 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171380477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3570403 + ... + 3570450.

Almost surely, 2^171380472 is an apocalyptic number.

171380472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

171380472 is an abundant number, since it is smaller than the sum of its proper divisors (257070768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

171380472 is a wasteful number, since it uses less digits than its factorization.

171380472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7140862 (or 7140858 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 171380472 is about 13091.2364580279. The cubic root of 171380472 is about 555.4612641277.

The spelling of 171380472 in words is "one hundred seventy-one million, three hundred eighty thousand, four hundred seventy-two".