1427066773 has 8 divisors (see below), whose sum is σ = 1562860800. Its totient is φ = 1292282880.

The previous prime is 1427066747. The next prime is 1427066777. The reversal of 1427066773 is 3776607241.

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 1427066773 - 2⁹ = 1427066261 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 (1427066777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249573 + ... + 255226.

It is an arithmetic number, because the mean of its divisors is an integer number (195357600).

Almost surely, 2^1427066773 is an apocalyptic number.

It is an amenable number.

1427066773 is a deficient number, since it is larger than the sum of its proper divisors (135794027).

1427066773 is a wasteful number, since it uses less digits than its factorization.

1427066773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505067.

The product of its (nonzero) digits is 296352, while the sum is 43.

The square root of 1427066773 is about 37776.5373347002. The cubic root of 1427066773 is about 1125.8523313380.

The spelling of 1427066773 in words is "one billion, four hundred twenty-seven million, sixty-six thousand, seven hundred seventy-three".