27464321 has 2 divisors, whose sum is σ = 27464322. Its totient is φ = 27464320.

The previous prime is 27464317. The next prime is 27464351. The reversal of 27464321 is 12346472.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17472400 + 9991921 = 4180^2 + 3161^2 .

It is a cyclic number.

It is not a de Polignac number, because 27464321 - 2² = 27464317 is a prime.

It is not a weakly prime, because it can be changed into another prime (27464351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13732160 + 13732161.

It is an arithmetic number, because the mean of its divisors is an integer number (13732161).

Almost surely, 2^27464321 is an apocalyptic number.

It is an amenable number.

27464321 is a deficient number, since it is larger than the sum of its proper divisors (1).

27464321 is an equidigital number, since it uses as much as digits as its factorization.

27464321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 29.

The square root of 27464321 is about 5240.6412775537. The cubic root of 27464321 is about 301.7099425450.

The spelling of 27464321 in words is "twenty-seven million, four hundred sixty-four thousand, three hundred twenty-one".