1427272402 has 8 divisors (see below), whose sum is σ = 2193126012. Its totient is φ = 696230400.

The previous prime is 1427272369. The next prime is 1427272403. The reversal of 1427272402 is 2042727241.

It can be written as a sum of positive squares in 2 ways, for example, as 1309788481 + 117483921 = 36191^2 + 10839^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1427272403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8702799 + ... + 8702962.

Almost surely, 2^1427272402 is an apocalyptic number.

1427272402 is a deficient number, since it is larger than the sum of its proper divisors (765853610).

1427272402 is a wasteful number, since it uses less digits than its factorization.

1427272402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17405804.

The product of its (nonzero) digits is 12544, while the sum is 31.

The square root of 1427272402 is about 37779.2588863254. The cubic root of 1427272402 is about 1125.9064042038.

Adding to 1427272402 its reverse (2042727241), we get a palindrome (3469999643).

The spelling of 1427272402 in words is "one billion, four hundred twenty-seven million, two hundred seventy-two thousand, four hundred two".