23686672 has 10 divisors (see below), whose sum is σ = 45892958. Its totient is φ = 11843328.

The previous prime is 23686667. The next prime is 23686687. The reversal of 23686672 is 27668632.

It can be written as a sum of positive squares in only one way, i.e., 21566736 + 2119936 = 4644^2 + 1456^2 .

It is a super-2 number, since 2×23686672² = 1122116860871168, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 740193 + ... + 740224.

Almost surely, 2^23686672 is an apocalyptic number.

It is an amenable number.

23686672 is a deficient number, since it is larger than the sum of its proper divisors (22206286).

23686672 is a wasteful number, since it uses less digits than its factorization.

23686672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1480425 (or 1480419 counting only the distinct ones).

The product of its digits is 145152, while the sum is 40.

The square root of 23686672 is about 4866.8955197333. The cubic root of 23686672 is about 287.1891415111.

The spelling of 23686672 in words is "twenty-three million, six hundred eighty-six thousand, six hundred seventy-two".