1027742564 has 12 divisors (see below), whose sum is σ = 1800930684. Its totient is φ = 513190944.

The previous prime is 1027742533. The next prime is 1027742581. The reversal of 1027742564 is 4652477201.

It can be written as a sum of positive squares in 2 ways, for example, as 826102564 + 201640000 = 28742^2 + 14200^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166679 + ... + 172734.

It is an arithmetic number, because the mean of its divisors is an integer number (150077557).

Almost surely, 2^1027742564 is an apocalyptic number.

It is an amenable number.

1027742564 is a deficient number, since it is larger than the sum of its proper divisors (773188120).

1027742564 is a wasteful number, since it uses less digits than its factorization.

1027742564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340174 (or 340172 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 38.

The square root of 1027742564 is about 32058.4242282742. The cubic root of 1027742564 is about 1009.1632988194.

The spelling of 1027742564 in words is "one billion, twenty-seven million, seven hundred forty-two thousand, five hundred sixty-four".