1427694479 has 8 divisors (see below), whose sum is σ = 1506509280. Its totient is φ = 1350274816.

The previous prime is 1427694451. The next prime is 1427694509. The reversal of 1427694479 is 9744967241.

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 1427694479 - 2²⁰ = 1426645903 is a prime.

It is a super-3 number, since 3×1427694479³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1427694479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1427694379) 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, 346682 + ... + 350775.

It is an arithmetic number, because the mean of its divisors is an integer number (188313660).

Almost surely, 2^1427694479 is an apocalyptic number.

1427694479 is a deficient number, since it is larger than the sum of its proper divisors (78814801).

1427694479 is an equidigital number, since it uses as much as digits as its factorization.

1427694479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697569.

The product of its digits is 3048192, while the sum is 53.

The square root of 1427694479 is about 37784.8445676306. The cubic root of 1427694479 is about 1126.0173786658.

The spelling of 1427694479 in words is "one billion, four hundred twenty-seven million, six hundred ninety-four thousand, four hundred seventy-nine".