23072766 has 8 divisors (see below), whose sum is σ = 46145544. Its totient is φ = 7690920.

The previous prime is 23072761. The next prime is 23072767. The reversal of 23072766 is 66727032.

It is a sphenic number, since it is the product of 3 distinct primes.

23072766 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23072761) 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, 1922725 + ... + 1922736.

It is an arithmetic number, because the mean of its divisors is an integer number (5768193).

Almost surely, 2^23072766 is an apocalyptic number.

23072766 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

23072766 is a wasteful number, since it uses less digits than its factorization.

23072766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3845466.

The product of its (nonzero) digits is 21168, while the sum is 33.

The square root of 23072766 is about 4803.4119123806. The cubic root of 23072766 is about 284.6862907041.

Adding to 23072766 its reverse (66727032), we get a palindrome (89799798).

The spelling of 23072766 in words is "twenty-three million, seventy-two thousand, seven hundred sixty-six".