23740664 has 8 divisors (see below), whose sum is σ = 44513760. Its totient is φ = 11870328.

The previous prime is 23740663. The next prime is 23740679. The reversal of 23740664 is 46604732.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 23740664.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23740663) by changing a digit.

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 as a sum of consecutive naturals, namely, 1483784 + ... + 1483799.

It is an arithmetic number, because the mean of its divisors is an integer number (5564220).

Almost surely, 2^23740664 is an apocalyptic number.

It is an amenable number.

23740664 is a deficient number, since it is larger than the sum of its proper divisors (20773096).

23740664 is a wasteful number, since it uses less digits than its factorization.

23740664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2967589 (or 2967585 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 23740664 is about 4872.4392248647. The cubic root of 23740664 is about 287.4071846579.

The spelling of 23740664 in words is "twenty-three million, seven hundred forty thousand, six hundred sixty-four".