9432731380 has 48 divisors (see below), whose sum is σ = 20188864080. Its totient is φ = 3701376000.

The previous prime is 9432731311. The next prime is 9432731381. The reversal of 9432731380 is 831372349.

It can be written as a sum of positive squares in 8 ways, for example, as 2544395364 + 6888336016 = 50442^2 + 82996^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9432731381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198760 + ... + 241600.

It is an arithmetic number, because the mean of its divisors is an integer number (420601335).

Almost surely, 2^9432731380 is an apocalyptic number.

It is an amenable number.

9432731380 is an abundant number, since it is smaller than the sum of its proper divisors (10756132700).

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

9432731380 is a wasteful number, since it uses less digits than its factorization.

9432731380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43060 (or 43058 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 9432731380 is about 97122.2496650484. The cubic root of 9432731380 is about 2112.9010341420.

The spelling of 9432731380 in words is "nine billion, four hundred thirty-two million, seven hundred thirty-one thousand, three hundred eighty".