25667372 has 6 divisors (see below), whose sum is σ = 44917908. Its totient is φ = 12833684.

The previous prime is 25667371. The next prime is 25667393. The reversal of 25667372 is 27376652.

It is not an unprimeable number, because it can be changed into a prime (25667371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3208418 + ... + 3208425.

It is an arithmetic number, because the mean of its divisors is an integer number (7486318).

Almost surely, 2^25667372 is an apocalyptic number.

It is an amenable number.

25667372 is a deficient number, since it is larger than the sum of its proper divisors (19250536).

25667372 is a wasteful number, since it uses less digits than its factorization.

25667372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6416847 (or 6416845 counting only the distinct ones).

The product of its digits is 105840, while the sum is 38.

The square root of 25667372 is about 5066.2976620013. The cubic root of 25667372 is about 294.9808356793.

The spelling of 25667372 in words is "twenty-five million, six hundred sixty-seven thousand, three hundred seventy-two".