404472727 has 2 divisors, whose sum is σ = 404472728. Its totient is φ = 404472726.

The previous prime is 404472713. The next prime is 404472743. The reversal of 404472727 is 727274404.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 404472727 - 2¹⁹ = 403948439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404472767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202236363 + 202236364.

It is an arithmetic number, because the mean of its divisors is an integer number (202236364).

Almost surely, 2^404472727 is an apocalyptic number.

404472727 is a deficient number, since it is larger than the sum of its proper divisors (1).

404472727 is an equidigital number, since it uses as much as digits as its factorization.

404472727 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 87808, while the sum is 37.

The square root of 404472727 is about 20111.5073278956. The cubic root of 404472727 is about 739.5424045788.

The spelling of 404472727 in words is "four hundred four million, four hundred seventy-two thousand, seven hundred twenty-seven".