1734139449 has 45 divisors (see below), whose sum is σ = 3018009951. Its totient is φ = 989437680.

The previous prime is 1734139447. The next prime is 1734139483. The reversal of 1734139449 is 9449314371.

The square root of 1734139449 is 41643.

It is a perfect power (a square), and thus also a powerful number.

1734139449 is a `hidden beast` number, since 1 + 73 + 4 + 139 + 449 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1376929449 + 357210000 = 37107^2 + 18900^2 .

It is not a de Polignac number, because 1734139449 - 2¹ = 1734139447 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1734139447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 2623179 + ... + 2623839.

Almost surely, 2^1734139449 is an apocalyptic number.

1734139449 is the 41643-rd square number.

1734139449 is the 20822-nd centered octagonal number.

It is an amenable number.

1734139449 is a deficient number, since it is larger than the sum of its proper divisors (1283870502).

1734139449 is an frugal number, since it uses more digits than its factorization.

1734139449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1348 (or 671 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The cubic root of 1734139449 is about 1201.4194889638.

The spelling of 1734139449 in words is "one billion, seven hundred thirty-four million, one hundred thirty-nine thousand, four hundred forty-nine".