8474742 has 12 divisors (see below), whose sum is σ = 18361980. Its totient is φ = 2824908.

The previous prime is 8474731. The next prime is 8474747. The reversal of 8474742 is 2474748.

It is a junction number, because it is equal to n+sod(n) for n = 8474697 and 8474706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8474747) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 235392 + ... + 235427.

It is an arithmetic number, because the mean of its divisors is an integer number (1530165).

Almost surely, 2^8474742 is an apocalyptic number.

8474742 is an abundant number, since it is smaller than the sum of its proper divisors (9887238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8474742 is a wasteful number, since it uses less digits than its factorization.

8474742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470827 (or 470824 counting only the distinct ones).

The product of its digits is 50176, while the sum is 36.

The square root of 8474742 is about 2911.1410134172. The cubic root of 8474742 is about 203.8804085674.

It can be divided in two parts, 8474 and 742, that added together give a square (9216 = 96²).

The spelling of 8474742 in words is "eight million, four hundred seventy-four thousand, seven hundred forty-two".