33723740872 has 32 divisors (see below), whose sum is σ = 65910294720. Its totient is φ = 16161266880.

The previous prime is 33723740867. The next prime is 33723740881. The reversal of 33723740872 is 27804732733.

It is a happy number.

It is a super-2 number, since 2×33723740872² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 830404 + ... + 870067.

It is an arithmetic number, because the mean of its divisors is an integer number (2059696710).

Almost surely, 2^33723740872 is an apocalyptic number.

It is an amenable number.

33723740872 is a deficient number, since it is larger than the sum of its proper divisors (32186553848).

33723740872 is a wasteful number, since it uses less digits than its factorization.

33723740872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1700581 (or 1700577 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 46.

The spelling of 33723740872 in words is "thirty-three billion, seven hundred twenty-three million, seven hundred forty thousand, eight hundred seventy-two".