1063573873 has 8 divisors (see below), whose sum is σ = 1126501992. Its totient is φ = 1000686336.

The previous prime is 1063573853. The next prime is 1063573877. The reversal of 1063573873 is 3783753601.

It can be written as a sum of positive squares in 4 ways, for example, as 15303744 + 1048270129 = 3912^2 + 32377^2 .

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 1063573873 - 2⁹ = 1063573361 is a prime.

It is a super-2 number, since 2×1063573873² = 2262378766656440258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1063573877) 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, 56311 + ... + 72787.

It is an arithmetic number, because the mean of its divisors is an integer number (140812749).

Almost surely, 2^1063573873 is an apocalyptic number.

It is an amenable number.

1063573873 is a deficient number, since it is larger than the sum of its proper divisors (62928119).

1063573873 is a wasteful number, since it uses less digits than its factorization.

1063573873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20291.

The product of its (nonzero) digits is 317520, while the sum is 43.

The square root of 1063573873 is about 32612.4803257894. The cubic root of 1063573873 is about 1020.7574384863.

The spelling of 1063573873 in words is "one billion, sixty-three million, five hundred seventy-three thousand, eight hundred seventy-three".