404274727 has 2 divisors, whose sum is σ = 404274728. Its totient is φ = 404274726.

The previous prime is 404274721. The next prime is 404274737. The reversal of 404274727 is 727472404.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 404274727 - 2⁷ = 404274599 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404274721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202137363 + 202137364.

It is an arithmetic number, because the mean of its divisors is an integer number (202137364).

Almost surely, 2^404274727 is an apocalyptic number.

404274727 is a deficient number, since it is larger than the sum of its proper divisors (1).

404274727 is an equidigital number, since it uses as much as digits as its factorization.

404274727 is an evil number, because the sum of its binary digits is even.

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

The square root of 404274727 is about 20106.5841703657. The cubic root of 404274727 is about 739.4217097528.

It can be divided in two parts, 40427 and 4727, that added together give a palindrome (45154).

The spelling of 404274727 in words is "four hundred four million, two hundred seventy-four thousand, seven hundred twenty-seven".