1027267745 has 48 divisors (see below), whose sum is σ = 1488799872. Its totient is φ = 666462720.

The previous prime is 1027267723. The next prime is 1027267757. The reversal of 1027267745 is 5477627201.

It is not a de Polignac number, because 1027267745 - 2²⁰ = 1026219169 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 2091950 + ... + 2092440.

It is an arithmetic number, because the mean of its divisors is an integer number (31016664).

Almost surely, 2^1027267745 is an apocalyptic number.

It is an amenable number.

1027267745 is a deficient number, since it is larger than the sum of its proper divisors (461532127).

1027267745 is a wasteful number, since it uses less digits than its factorization.

1027267745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662 (or 639 counting only the distinct ones).

The product of its (nonzero) digits is 164640, while the sum is 41.

The square root of 1027267745 is about 32051.0178465521. The cubic root of 1027267745 is about 1009.0078630983.

The spelling of 1027267745 in words is "one billion, twenty-seven million, two hundred sixty-seven thousand, seven hundred forty-five".