23072784 has 40 divisors (see below), whose sum is σ = 68120640. Its totient is φ = 6592128.

The previous prime is 23072771. The next prime is 23072789. The reversal of 23072784 is 48727032.

It is not an unprimeable number, because it can be changed into a prime (23072789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33999 + ... + 34670.

It is an arithmetic number, because the mean of its divisors is an integer number (1703016).

Almost surely, 2^23072784 is an apocalyptic number.

23072784 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23072784 is an abundant number, since it is smaller than the sum of its proper divisors (45047856).

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

23072784 is a wasteful number, since it uses less digits than its factorization.

23072784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68687 (or 68681 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 23072784 is about 4803.4137860484. The cubic root of 23072784 is about 284.6863647358.

The spelling of 23072784 in words is "twenty-three million, seventy-two thousand, seven hundred eighty-four".