8248742 has 8 divisors (see below), whose sum is σ = 12387600. Its totient is φ = 4119544.

The previous prime is 8248741. The next prime is 8248763. The reversal of 8248742 is 2478428.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8248741) 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, 359 + ... + 4077.

It is an arithmetic number, because the mean of its divisors is an integer number (1548450).

Almost surely, 2^8248742 is an apocalyptic number.

8248742 is a deficient number, since it is larger than the sum of its proper divisors (4138858).

8248742 is a wasteful number, since it uses less digits than its factorization.

8248742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4830.

The product of its digits is 28672, while the sum is 35.

The square root of 8248742 is about 2872.0623252290. The cubic root of 8248742 is about 202.0517300445.

The spelling of 8248742 in words is "eight million, two hundred forty-eight thousand, seven hundred forty-two".