427120071 has 8 divisors (see below), whose sum is σ = 650849664. Its totient is φ = 244068600.

The previous prime is 427120069. The next prime is 427120073. The reversal of 427120071 is 170021724.

It is an interprime number because it is at equal distance from previous prime (427120069) and next prime (427120073).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 427120071 - 2¹ = 427120069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427120073) 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 7 ways as a sum of consecutive naturals, for example, 10169505 + ... + 10169546.

It is an arithmetic number, because the mean of its divisors is an integer number (81356208).

Almost surely, 2^427120071 is an apocalyptic number.

427120071 is a deficient number, since it is larger than the sum of its proper divisors (223729593).

427120071 is a wasteful number, since it uses less digits than its factorization.

427120071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20339061.

The product of its (nonzero) digits is 784, while the sum is 24.

The square root of 427120071 is about 20666.8834370352. The cubic root of 427120071 is about 753.0953973339.

Adding to 427120071 its reverse (170021724), we get a palindrome (597141795).

It can be divided in two parts, 4271 and 20071, that added together give a palindrome (24342).

The spelling of 427120071 in words is "four hundred twenty-seven million, one hundred twenty thousand, seventy-one".