8063642 has 4 divisors (see below), whose sum is σ = 12095466. Its totient is φ = 4031820.

The previous prime is 8063641. The next prime is 8063647. The reversal of 8063642 is 2463608.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8059921 + 3721 = 2839^2 + 61^2 .

It is not an unprimeable number, because it can be changed into a prime (8063641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2015909 + ... + 2015912.

Almost surely, 2^8063642 is an apocalyptic number.

8063642 is a deficient number, since it is larger than the sum of its proper divisors (4031824).

8063642 is a wasteful number, since it uses less digits than its factorization.

8063642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4031823.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 8063642 is about 2839.6552607667. The cubic root of 8063642 is about 200.5289498271.

The spelling of 8063642 in words is "eight million, sixty-three thousand, six hundred forty-two".