8742774 has 32 divisors (see below), whose sum is σ = 18766080. Its totient is φ = 2706912.

The previous prime is 8742739. The next prime is 8742779. The reversal of 8742774 is 4772478.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8742779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5319 + ... + 6765.

It is an arithmetic number, because the mean of its divisors is an integer number (586440).

Almost surely, 2^8742774 is an apocalyptic number.

8742774 is an abundant number, since it is smaller than the sum of its proper divisors (10023306).

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

8742774 is a wasteful number, since it uses less digits than its factorization.

8742774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1524.

The product of its digits is 87808, while the sum is 39.

The square root of 8742774 is about 2956.8182223464. The cubic root of 8742774 is about 206.0075247825.

The spelling of 8742774 in words is "eight million, seven hundred forty-two thousand, seven hundred seventy-four".