8280742 has 8 divisors (see below), whose sum is σ = 12685536. Its totient is φ = 4052232.

The previous prime is 8280739. The next prime is 8280743. The reversal of 8280742 is 2470828.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8280743) 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, 43953 + ... + 44140.

It is an arithmetic number, because the mean of its divisors is an integer number (1585692).

Almost surely, 2^8280742 is an apocalyptic number.

8280742 is a deficient number, since it is larger than the sum of its proper divisors (4404794).

8280742 is a wasteful number, since it uses less digits than its factorization.

8280742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88142.

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 8280742 is about 2877.6278425120. The cubic root of 8280742 is about 202.3126713462.

The spelling of 8280742 in words is "eight million, two hundred eighty thousand, seven hundred forty-two".