1427867712 has 42 divisors (see below), whose sum is σ = 4092726638. Its totient is φ = 475955712.

The previous prime is 1427867653. The next prime is 1427867713. The reversal of 1427867712 is 2177687241.

It can be written as a sum of positive squares in only one way, i.e., 901440576 + 526427136 = 30024^2 + 22944^2 .

It is a super-2 number, since 2×1427867712² = 4077612405944229888, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1427867713) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1238893 + ... + 1240044.

Almost surely, 2^1427867712 is an apocalyptic number.

1427867712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1427867712 is an abundant number, since it is smaller than the sum of its proper divisors (2664858926).

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

1427867712 is a wasteful number, since it uses less digits than its factorization.

1427867712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2478955 (or 2478942 counting only the distinct ones).

The product of its digits is 263424, while the sum is 45.

The square root of 1427867712 is about 37787.1368589895. The cubic root of 1427867712 is about 1126.0629195670.

The spelling of 1427867712 in words is "one billion, four hundred twenty-seven million, eight hundred sixty-seven thousand, seven hundred twelve".