33754140729 has 27 divisors (see below), whose sum is σ = 49853674533. Its totient is φ = 22007075832.

The previous prime is 33754140727. The next prime is 33754140757. The reversal of 33754140729 is 92704145733.

The square root of 33754140729 is 183723.

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

33754140729 is a `hidden beast` number, since 3 + 37 + 541 + 4 + 0 + 72 + 9 = 666.

It is not a de Polignac number, because 33754140729 - 2¹ = 33754140727 is a prime.

It is a super-2 number, since 2×33754140729² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (33754140727) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 25904292 + ... + 25905594.

Almost surely, 2^33754140729 is an apocalyptic number.

33754140729 is the 183723-rd square number.

33754140729 is the 91862-nd centered octagonal number.

It is an amenable number.

33754140729 is a deficient number, since it is larger than the sum of its proper divisors (16099533804).

33754140729 is an frugal number, since it uses more digits than its factorization.

33754140729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2706 (or 1353 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 45.

The spelling of 33754140729 in words is "thirty-three billion, seven hundred fifty-four million, one hundred forty thousand, seven hundred twenty-nine".