427370417 has 2 divisors, whose sum is σ = 427370418. Its totient is φ = 427370416.

The previous prime is 427370413. The next prime is 427370423. The reversal of 427370417 is 714073724.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 254211136 + 173159281 = 15944^2 + 13159^2 .

It is a cyclic number.

It is not a de Polignac number, because 427370417 - 2² = 427370413 is a prime.

It is not a weakly prime, because it can be changed into another prime (427370413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213685208 + 213685209.

It is an arithmetic number, because the mean of its divisors is an integer number (213685209).

Almost surely, 2^427370417 is an apocalyptic number.

It is an amenable number.

427370417 is a deficient number, since it is larger than the sum of its proper divisors (1).

427370417 is an equidigital number, since it uses as much as digits as its factorization.

427370417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32928, while the sum is 35.

The square root of 427370417 is about 20672.9392443358. The cubic root of 427370417 is about 753.2425047558.

The spelling of 427370417 in words is "four hundred twenty-seven million, three hundred seventy thousand, four hundred seventeen".