26664992 has 12 divisors (see below), whose sum is σ = 52496766. Its totient is φ = 13332480.

The previous prime is 26664977. The next prime is 26665013. The reversal of 26664992 is 29946662.

It can be written as a sum of positive squares in only one way, i.e., 26584336 + 80656 = 5156^2 + 284^2 .

It is a super-2 number, since 2×26664992² = 1422043596720128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 416609 + ... + 416672.

Almost surely, 2^26664992 is an apocalyptic number.

It is an amenable number.

26664992 is a deficient number, since it is larger than the sum of its proper divisors (25831774).

26664992 is an equidigital number, since it uses as much as digits as its factorization.

26664992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833291 (or 833283 counting only the distinct ones).

The product of its digits is 279936, while the sum is 44.

The square root of 26664992 is about 5163.8156434946. The cubic root of 26664992 is about 298.7540622569.

The spelling of 26664992 in words is "twenty-six million, six hundred sixty-four thousand, nine hundred ninety-two".