6731573340 has 48 divisors (see below), whose sum is σ = 18859051008. Its totient is φ = 1794072384.

The previous prime is 6731573339. The next prime is 6731573357. The reversal of 6731573340 is 433751376.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78609 + ... + 140151.

It is an arithmetic number, because the mean of its divisors is an integer number (392896896).

Almost surely, 2^6731573340 is an apocalyptic number.

6731573340 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6731573340 is an abundant number, since it is smaller than the sum of its proper divisors (12127477668).

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

6731573340 is a wasteful number, since it uses less digits than its factorization.

6731573340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63378 (or 63376 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 39.

The square root of 6731573340 is about 82046.1659067625. The cubic root of 6731573340 is about 1888.1602937584.

The spelling of 6731573340 in words is "six billion, seven hundred thirty-one million, five hundred seventy-three thousand, three hundred forty".