8742448 has 40 divisors (see below), whose sum is σ = 19904976. Its totient is φ = 3667200.

The previous prime is 8742421. The next prime is 8742449. The reversal of 8742448 is 8442478.

It is a super-3 number, since 3×8742448³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (8742449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 378 + ... + 4198.

Almost surely, 2^8742448 is an apocalyptic number.

8742448 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8742448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9952488).

8742448 is an abundant number, since it is smaller than the sum of its proper divisors (11162528).

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

8742448 is a wasteful number, since it uses less digits than its factorization.

8742448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3853 (or 3847 counting only the distinct ones).

The product of its digits is 57344, while the sum is 37.

The square root of 8742448 is about 2956.7630950078. The cubic root of 8742448 is about 206.0049642188.

The spelling of 8742448 in words is "eight million, seven hundred forty-two thousand, four hundred forty-eight".