23340772 has 24 divisors (see below), whose sum is σ = 50273216. Its totient is φ = 9233568.

The previous prime is 23340769. The next prime is 23340781. The reversal of 23340772 is 27704332.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 23340772.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31698 + ... + 32425.

Almost surely, 2^23340772 is an apocalyptic number.

It is an amenable number.

23340772 is an abundant number, since it is smaller than the sum of its proper divisors (26932444).

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

23340772 is a wasteful number, since it uses less digits than its factorization.

23340772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64147 (or 64145 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 28.

The square root of 23340772 is about 4831.2288291904. The cubic root of 23340772 is about 285.7843256386.

The spelling of 23340772 in words is "twenty-three million, three hundred forty thousand, seven hundred seventy-two".