8734474240 has 128 divisors (see below), whose sum is σ = 21233340000. Its totient is φ = 3448766464.

The previous prime is 8734474193. The next prime is 8734474267. The reversal of 8734474240 is 424744378.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14581461 + ... + 14582059.

Almost surely, 2^8734474240 is an apocalyptic number.

8734474240 is a gapful number since it is divisible by the number (80) 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 8734474240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10616670000).

8734474240 is an abundant number, since it is smaller than the sum of its proper divisors (12498865760).

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

8734474240 is an frugal number, since it uses more digits than its factorization.

8734474240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723 (or 695 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 43.

The square root of 8734474240 is about 93458.4091454589. The cubic root of 8734474240 is about 2059.4231457355.

The spelling of 8734474240 in words is "eight billion, seven hundred thirty-four million, four hundred seventy-four thousand, two hundred forty".