33297992672 has 24 divisors (see below), whose sum is σ = 74920484016. Its totient is φ = 14270568192.

The previous prime is 33297992621. The next prime is 33297992711. The reversal of 33297992672 is 27629979233.

It is a super-2 number, since 2×33297992672² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74325653 + ... + 74326100.

It is an arithmetic number, because the mean of its divisors is an integer number (3121686834).

Almost surely, 2^33297992672 is an apocalyptic number.

33297992672 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

33297992672 is an abundant number, since it is smaller than the sum of its proper divisors (41622491344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33297992672 is a wasteful number, since it uses less digits than its factorization.

33297992672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148651770 (or 148651762 counting only the distinct ones).

The product of its digits is 15431472, while the sum is 59.

The spelling of 33297992672 in words is "thirty-three billion, two hundred ninety-seven million, nine hundred ninety-two thousand, six hundred seventy-two".