174142730 has 24 divisors (see below), whose sum is σ = 332985708. Its totient is φ = 65558528.

The previous prime is 174142699. The next prime is 174142751. The reversal of 174142730 is 37241471.

It can be written as a sum of positive squares in 6 ways, for example, as 147938569 + 26204161 = 12163^2 + 5119^2 .

It is a junction number, because it is equal to n+sod(n) for n = 174142693 and 174142702.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27239 + ... + 33018.

Almost surely, 2^174142730 is an apocalyptic number.

174142730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

174142730 is a deficient number, since it is larger than the sum of its proper divisors (158842978).

174142730 is a wasteful number, since it uses less digits than its factorization.

174142730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60298 (or 60281 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 174142730 is about 13196.3150159429. The cubic root of 174142730 is about 558.4296246390.

The spelling of 174142730 in words is "one hundred seventy-four million, one hundred forty-two thousand, seven hundred thirty".