8240071 has 4 divisors (see below), whose sum is σ = 9417232. Its totient is φ = 7062912.

The previous prime is 8240041. The next prime is 8240077. The reversal of 8240071 is 1700428.

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

It is a cyclic number.

It is not a de Polignac number, because 8240071 - 2¹¹ = 8238023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8240077) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 588570 + ... + 588583.

It is an arithmetic number, because the mean of its divisors is an integer number (2354308).

Almost surely, 2^8240071 is an apocalyptic number.

8240071 is a deficient number, since it is larger than the sum of its proper divisors (1177161).

8240071 is a wasteful number, since it uses less digits than its factorization.

8240071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177160.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 8240071 is about 2870.5523858658. The cubic root of 8240071 is about 201.9809069298.

Adding to 8240071 its reverse (1700428), we get a palindrome (9940499).

The spelling of 8240071 in words is "eight million, two hundred forty thousand, seventy-one".