427312260 has 120 divisors (see below), whose sum is σ = 1376917080. Its totient is φ = 110854656.

The previous prime is 427312247. The next prime is 427312273. The reversal of 427312260 is 62213724.

It is an interprime number because it is at equal distance from previous prime (427312247) and next prime (427312273).

It can be written as a sum of positive squares in 4 ways, for example, as 142850304 + 284461956 = 11952^2 + 16866^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 56376 + ... + 63504.

It is an arithmetic number, because the mean of its divisors is an integer number (11474309).

Almost surely, 2^427312260 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 427312260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (688458540).

427312260 is an abundant number, since it is smaller than the sum of its proper divisors (949604820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

427312260 is a wasteful number, since it uses less digits than its factorization.

427312260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7187 (or 7176 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 427312260 is about 20671.5325992051. The cubic root of 427312260 is about 753.2083358710.

Adding to 427312260 its reverse (62213724), we get a palindrome (489525984).

The spelling of 427312260 in words is "four hundred twenty-seven million, three hundred twelve thousand, two hundred sixty".