427725290 has 32 divisors (see below), whose sum is σ = 807805440. Its totient is φ = 162849600.

The previous prime is 427725281. The next prime is 427725299. The reversal of 427725290 is 92527724.

427725290 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (427725281) and next prime (427725299).

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (427725299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7601 + ... + 30219.

It is an arithmetic number, because the mean of its divisors is an integer number (25243920).

Almost surely, 2^427725290 is an apocalyptic number.

427725290 is a deficient number, since it is larger than the sum of its proper divisors (380080150).

427725290 is a wasteful number, since it uses less digits than its factorization.

427725290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22718.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 427725290 is about 20681.5204953601. The cubic root of 427725290 is about 753.4509355564.

The spelling of 427725290 in words is "four hundred twenty-seven million, seven hundred twenty-five thousand, two hundred ninety".