33729309764 has 12 divisors (see below), whose sum is σ = 59028942588. Its totient is φ = 16863897600.

The previous prime is 33729309737. The next prime is 33729309769. The reversal of 33729309764 is 46790392733.

It can be written as a sum of positive squares in 2 ways, for example, as 12250062400 + 21479247364 = 110680^2 + 146558^2 .

It is a super-2 number, since 2×33729309764² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33729309769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82397 + ... + 272484.

It is an arithmetic number, because the mean of its divisors is an integer number (4919078549).

Almost surely, 2^33729309764 is an apocalyptic number.

It is an amenable number.

33729309764 is a deficient number, since it is larger than the sum of its proper divisors (25299632824).

33729309764 is a wasteful number, since it uses less digits than its factorization.

33729309764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378646 (or 378644 counting only the distinct ones).

The product of its (nonzero) digits is 5143824, while the sum is 53.

The spelling of 33729309764 in words is "thirty-three billion, seven hundred twenty-nine million, three hundred nine thousand, seven hundred sixty-four".