1426668727 has 8 divisors (see below), whose sum is σ = 1557406080. Its totient is φ = 1296104760.

The previous prime is 1426668703. The next prime is 1426668743. The reversal of 1426668727 is 7278666241.

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 1426668727 - 2¹¹ = 1426666679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1426668797) 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, 25827 + ... + 59332.

It is an arithmetic number, because the mean of its divisors is an integer number (194675760).

Almost surely, 2^1426668727 is an apocalyptic number.

1426668727 is a deficient number, since it is larger than the sum of its proper divisors (130737353).

1426668727 is a wasteful number, since it uses less digits than its factorization.

1426668727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86693.

The product of its digits is 1354752, while the sum is 49.

The square root of 1426668727 is about 37771.2685384010. The cubic root of 1426668727 is about 1125.7476451154.

The spelling of 1426668727 in words is "one billion, four hundred twenty-six million, six hundred sixty-eight thousand, seven hundred twenty-seven".