8717474392 has 72 divisors (see below), whose sum is σ = 18394527060. Its totient is φ = 3841061760.

The previous prime is 8717474369. The next prime is 8717474393. The reversal of 8717474392 is 2934747178.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8717474393) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 32406834 + ... + 32407102.

Almost surely, 2^8717474392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8717474392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9197263530).

8717474392 is an abundant number, since it is smaller than the sum of its proper divisors (9677052668).

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

8717474392 is a wasteful number, since it uses less digits than its factorization.

8717474392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629 (or 319 counting only the distinct ones).

The product of its digits is 2370816, while the sum is 52.

The square root of 8717474392 is about 93367.4161150452. The cubic root of 8717474392 is about 2058.0861975599.

The spelling of 8717474392 in words is "eight billion, seven hundred seventeen million, four hundred seventy-four thousand, three hundred ninety-two".