8503747434 has 144 divisors (see below), whose sum is σ = 23645873160. Its totient is φ = 2187924480.

The previous prime is 8503747411. The next prime is 8503747471. The reversal of 8503747434 is 4347473058.

8503747434 is a `hidden beast` number, since 8 + 503 + 74 + 74 + 3 + 4 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 5579641809 + 2924105625 = 74697^2 + 54075^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8503747434.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 461062 + ... + 479150.

Almost surely, 2^8503747434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8503747434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11822936580).

8503747434 is an abundant number, since it is smaller than the sum of its proper divisors (15142125726).

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

8503747434 is a wasteful number, since it uses less digits than its factorization.

8503747434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18165 (or 18155 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 45.

The square root of 8503747434 is about 92215.7656477459. The cubic root of 8503747434 is about 2041.1274232297.

The spelling of 8503747434 in words is "eight billion, five hundred three million, seven hundred forty-seven thousand, four hundred thirty-four".