26661472 has 12 divisors (see below), whose sum is σ = 52489836. Its totient is φ = 13330720.

The previous prime is 26661461. The next prime is 26661487. The reversal of 26661472 is 27416662.

It is a congruent number.

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, 416554 + ... + 416617.

It is an arithmetic number, because the mean of its divisors is an integer number (4374153).

Almost surely, 2^26661472 is an apocalyptic number.

It is an amenable number.

26661472 is a deficient number, since it is larger than the sum of its proper divisors (25828364).

26661472 is an equidigital number, since it uses as much as digits as its factorization.

26661472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833181 (or 833173 counting only the distinct ones).

The product of its digits is 24192, while the sum is 34.

The square root of 26661472 is about 5163.4747990089. The cubic root of 26661472 is about 298.7409156741.

The spelling of 26661472 in words is "twenty-six million, six hundred sixty-one thousand, four hundred seventy-two".