8207242 has 4 divisors (see below), whose sum is σ = 12310866. Its totient is φ = 4103620.

The previous prime is 8207237. The next prime is 8207249. The reversal of 8207242 is 2427028.

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., 7123561 + 1083681 = 2669^2 + 1041^2 .

It is not an unprimeable number, because it can be changed into a prime (8207249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2051809 + ... + 2051812.

Almost surely, 2^8207242 is an apocalyptic number.

8207242 is a deficient number, since it is larger than the sum of its proper divisors (4103624).

8207242 is a wasteful number, since it uses less digits than its factorization.

8207242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4103623.

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 8207242 is about 2864.8284416349. The cubic root of 8207242 is about 201.7123147203.

The spelling of 8207242 in words is "eight million, two hundred seven thousand, two hundred forty-two".