233912772 has 60 divisors (see below), whose sum is σ = 614217296. Its totient is φ = 77944680.

The previous prime is 233912771. The next prime is 233912803. The reversal of 233912772 is 277219332.

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

It is not an unprimeable number, because it can be changed into a prime (233912771) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 77247 + ... + 80217.

Almost surely, 2^233912772 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 233912772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307108648).

233912772 is an abundant number, since it is smaller than the sum of its proper divisors (380304524).

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

233912772 is an frugal number, since it uses more digits than its factorization.

233912772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3002 (or 2976 counting only the distinct ones).

The product of its digits is 31752, while the sum is 36.

The square root of 233912772 is about 15294.2071386522. The cubic root of 233912772 is about 616.1474354747.

The spelling of 233912772 in words is "two hundred thirty-three million, nine hundred twelve thousand, seven hundred seventy-two".