331728760 has 48 divisors (see below), whose sum is σ = 820423800. Its totient is φ = 120626880.

The previous prime is 331728671. The next prime is 331728763. The reversal of 331728760 is 67827133.

331728760 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×331728760² = 220087940422275200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331728763) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29430 + ... + 39109.

Almost surely, 2^331728760 is an apocalyptic number.

It is an amenable number.

331728760 is an abundant number, since it is smaller than the sum of its proper divisors (488695040).

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

331728760 is a wasteful number, since it uses less digits than its factorization.

331728760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68572 (or 68557 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 331728760 is about 18213.4225229637. The cubic root of 331728760 is about 692.2469353835.

The spelling of 331728760 in words is "three hundred thirty-one million, seven hundred twenty-eight thousand, seven hundred sixty".