33730276065 has 16 divisors (see below), whose sum is σ = 53971774848. Its totient is φ = 17988369536.

The previous prime is 33730276061. The next prime is 33730276133. The reversal of 33730276065 is 56067203733.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 33730276065 - 2² = 33730276061 is a prime.

It is a super-2 number, since 2×33730276065² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33730276061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220612 + ... + 340778.

It is an arithmetic number, because the mean of its divisors is an integer number (3373235928).

Almost surely, 2^33730276065 is an apocalyptic number.

It is an amenable number.

33730276065 is a deficient number, since it is larger than the sum of its proper divisors (20241498783).

33730276065 is a wasteful number, since it uses less digits than its factorization.

33730276065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138888.

The product of its (nonzero) digits is 476280, while the sum is 42.

Adding to 33730276065 its reverse (56067203733), we get a palindrome (89797479798).

The spelling of 33730276065 in words is "thirty-three billion, seven hundred thirty million, two hundred seventy-six thousand, sixty-five".