171267420 has 48 divisors (see below), whose sum is σ = 480251520. Its totient is φ = 45604416.

The previous prime is 171267403. The next prime is 171267427. The reversal of 171267420 is 24762171.

171267420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171267427) 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, 49879 + ... + 53201.

It is an arithmetic number, because the mean of its divisors is an integer number (10005240).

Almost surely, 2^171267420 is an apocalyptic number.

171267420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

171267420 is an abundant number, since it is smaller than the sum of its proper divisors (308984100).

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

171267420 is a wasteful number, since it uses less digits than its factorization.

171267420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4194 (or 4192 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 171267420 is about 13086.9178953641. The cubic root of 171267420 is about 555.3390996456.

The spelling of 171267420 in words is "one hundred seventy-one million, two hundred sixty-seven thousand, four hundred twenty".