174072420 has 144 divisors (see below), whose sum is σ = 552726720. Its totient is φ = 44299008.

The previous prime is 174072403. The next prime is 174072421. The reversal of 174072420 is 24270471.

It is a happy number.

174072420 is a `hidden beast` number, since 17 + 407 + 242 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (174072421) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 392719 + ... + 393161.

It is an arithmetic number, because the mean of its divisors is an integer number (3838380).

Almost surely, 2^174072420 is an apocalyptic number.

174072420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 174072420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276363360).

174072420 is an abundant number, since it is smaller than the sum of its proper divisors (378654300).

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

174072420 is a wasteful number, since it uses less digits than its factorization.

174072420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554 (or 549 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The square root of 174072420 is about 13193.6507457186. The cubic root of 174072420 is about 558.3544593378.

The spelling of 174072420 in words is "one hundred seventy-four million, seventy-two thousand, four hundred twenty".