427992068 has 36 divisors (see below), whose sum is σ = 922527900. Its totient is φ = 172634112.

The previous prime is 427992067. The next prime is 427992079. The reversal of 427992068 is 860299724.

It can be written as a sum of positive squares in 2 ways, for example, as 278956804 + 149035264 = 16702^2 + 12208^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427992067) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60893 + ... + 67556.

It is an arithmetic number, because the mean of its divisors is an integer number (25625775).

Almost surely, 2^427992068 is an apocalyptic number.

It is an amenable number.

427992068 is an abundant number, since it is smaller than the sum of its proper divisors (494535832).

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

427992068 is a wasteful number, since it uses less digits than its factorization.

427992068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128484 (or 128475 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 427992068 is about 20687.9691608432. The cubic root of 427992068 is about 753.6075488183.

The spelling of 427992068 in words is "four hundred twenty-seven million, nine hundred ninety-two thousand, sixty-eight".