8017642 has 8 divisors (see below), whose sum is σ = 12733956. Its totient is φ = 3772992.

The previous prime is 8017619. The next prime is 8017643. The reversal of 8017642 is 2467108.

It can be written as a sum of positive squares in 2 ways, for example, as 7778521 + 239121 = 2789^2 + 489^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 8017642.

It is not an unprimeable number, because it can be changed into a prime (8017643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117873 + ... + 117940.

Almost surely, 2^8017642 is an apocalyptic number.

8017642 is a deficient number, since it is larger than the sum of its proper divisors (4716314).

8017642 is a wasteful number, since it uses less digits than its factorization.

8017642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235832.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 8017642 is about 2831.5441017226. The cubic root of 8017642 is about 200.1469087294.

The spelling of 8017642 in words is "eight million, seventeen thousand, six hundred forty-two".