1427667393 has 8 divisors (see below), whose sum is σ = 1904194656. Its totient is φ = 951459200.

The previous prime is 1427667389. The next prime is 1427667457. The reversal of 1427667393 is 3937667241.

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

It is a cyclic number.

It is not a de Polignac number, because 1427667393 - 2² = 1427667389 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1427667323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69123 + ... + 87368.

It is an arithmetic number, because the mean of its divisors is an integer number (238024332).

Almost surely, 2^1427667393 is an apocalyptic number.

It is an amenable number.

1427667393 is a deficient number, since it is larger than the sum of its proper divisors (476527263).

1427667393 is a wasteful number, since it uses less digits than its factorization.

1427667393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159535.

The product of its digits is 1143072, while the sum is 48.

The square root of 1427667393 is about 37784.4861418016. The cubic root of 1427667393 is about 1126.0102577446.

The spelling of 1427667393 in words is "one billion, four hundred twenty-seven million, six hundred sixty-seven thousand, three hundred ninety-three".