174420072 has 96 divisors (see below), whose sum is σ = 488971080. Its totient is φ = 56125440.

The previous prime is 174420061. The next prime is 174420073. The reversal of 174420072 is 270024471.

It is a happy number.

174420072 is a `hidden beast` number, since 174 + 420 + 0 + 72 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 165019716 + 9400356 = 12846^2 + 3066^2 .

It is not an unprimeable number, because it can be changed into a prime (174420073) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 620572 + ... + 620852.

Almost surely, 2^174420072 is an apocalyptic number.

174420072 is a gapful number since it is divisible by the number (12) 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 174420072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244485540).

174420072 is an abundant number, since it is smaller than the sum of its proper divisors (314551008).

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

174420072 is a wasteful number, since it uses less digits than its factorization.

174420072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563 (or 556 counting only the distinct ones).

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

The square root of 174420072 is about 13206.8191476979. The cubic root of 174420072 is about 558.7259215184.

The spelling of 174420072 in words is "one hundred seventy-four million, four hundred twenty thousand, seventy-two".