1427872275 has 72 divisors (see below), whose sum is σ = 2691234000. Its totient is φ = 722615040.

The previous prime is 1427872207. The next prime is 1427872297. The reversal of 1427872275 is 5722787241.

It is not a de Polignac number, because 1427872275 - 2¹⁵ = 1427839507 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1427872275.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 383121 + ... + 386829.

It is an arithmetic number, because the mean of its divisors is an integer number (37378250).

Almost surely, 2^1427872275 is an apocalyptic number.

1427872275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1427872275 is a deficient number, since it is larger than the sum of its proper divisors (1263361725).

1427872275 is a wasteful number, since it uses less digits than its factorization.

1427872275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3813 (or 3805 counting only the distinct ones).

The product of its digits is 439040, while the sum is 45.

The square root of 1427872275 is about 37787.1972366303. The cubic root of 1427872275 is about 1126.0641190758.

The spelling of 1427872275 in words is "one billion, four hundred twenty-seven million, eight hundred seventy-two thousand, two hundred seventy-five".