233544672 has 72 divisors (see below), whose sum is σ = 670675824. Its totient is φ = 77082624.

The previous prime is 233544667. The next prime is 233544679. The reversal of 233544672 is 276445332.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×233544672² = 109086227639175168, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233544679) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 25728 + ... + 33600.

It is an arithmetic number, because the mean of its divisors is an integer number (9314942).

Almost surely, 2^233544672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 233544672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (335337912).

233544672 is an abundant number, since it is smaller than the sum of its proper divisors (437131152).

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

233544672 is a wasteful number, since it uses less digits than its factorization.

233544672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7992 (or 7981 counting only the distinct ones).

The product of its digits is 120960, while the sum is 36.

The square root of 233544672 is about 15282.1684325229. The cubic root of 233544672 is about 615.8240628713.

The spelling of 233544672 in words is "two hundred thirty-three million, five hundred forty-four thousand, six hundred seventy-two".