427090447 has 4 divisors (see below), whose sum is σ = 488103376. Its totient is φ = 366077520.

The previous prime is 427090429. The next prime is 427090451. The reversal of 427090447 is 744090724.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 427090447 - 2¹⁵ = 427057679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427090747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30506454 + ... + 30506467.

It is an arithmetic number, because the mean of its divisors is an integer number (122025844).

Almost surely, 2^427090447 is an apocalyptic number.

427090447 is a deficient number, since it is larger than the sum of its proper divisors (61012929).

427090447 is an equidigital number, since it uses as much as digits as its factorization.

427090447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61012928.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 427090447 is about 20666.1667224476. The cubic root of 427090447 is about 753.0779859818.

The spelling of 427090447 in words is "four hundred twenty-seven million, ninety thousand, four hundred forty-seven".