1427344407 has 6 divisors (see below), whose sum is σ = 2061719712. Its totient is φ = 951562932.

The previous prime is 1427344403. The next prime is 1427344409. The reversal of 1427344407 is 7044437241.

It is a happy number.

1427344407 is a `hidden beast` number, since 142 + 73 + 4 + 440 + 7 = 666.

It is not a de Polignac number, because 1427344407 - 2² = 1427344403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1427344403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 79296903 + ... + 79296920.

It is an arithmetic number, because the mean of its divisors is an integer number (343619952).

Almost surely, 2^1427344407 is an apocalyptic number.

1427344407 is a deficient number, since it is larger than the sum of its proper divisors (634375305).

1427344407 is a wasteful number, since it uses less digits than its factorization.

1427344407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158593829 (or 158593826 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 36.

The square root of 1427344407 is about 37780.2118442975. The cubic root of 1427344407 is about 1125.9253376434.

The spelling of 1427344407 in words is "one billion, four hundred twenty-seven million, three hundred forty-four thousand, four hundred seven".