1027327645 has 16 divisors (see below), whose sum is σ = 1260230400. Its totient is φ = 803604544.

The previous prime is 1027327643. The next prime is 1027327649. The reversal of 1027327645 is 5467237201.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1027327645 - 2¹ = 1027327643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1027327643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 456894 + ... + 459136.

It is an arithmetic number, because the mean of its divisors is an integer number (78764400).

Almost surely, 2^1027327645 is an apocalyptic number.

It is an amenable number.

1027327645 is a deficient number, since it is larger than the sum of its proper divisors (232902755).

1027327645 is a wasteful number, since it uses less digits than its factorization.

1027327645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4244.

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 1027327645 is about 32051.9522806334. The cubic root of 1027327645 is about 1009.0274744724.

The spelling of 1027327645 in words is "one billion, twenty-seven million, three hundred twenty-seven thousand, six hundred forty-five".