729377540 has 24 divisors (see below), whose sum is σ = 1535708160. Its totient is φ = 290986208.

The previous prime is 729377527. The next prime is 729377557. The reversal of 729377540 is 45773927.

729377540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 729377491 and 729377500.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39950 + ... + 55269.

It is an arithmetic number, because the mean of its divisors is an integer number (63987840).

Almost surely, 2^729377540 is an apocalyptic number.

It is an amenable number.

729377540 is an abundant number, since it is smaller than the sum of its proper divisors (806330620).

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

729377540 is a wasteful number, since it uses less digits than its factorization.

729377540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95611 (or 95609 counting only the distinct ones).

The product of its (nonzero) digits is 370440, while the sum is 44.

The square root of 729377540 is about 27006.9905765156. The cubic root of 729377540 is about 900.1553394421.

The spelling of 729377540 in words is "seven hundred twenty-nine million, three hundred seventy-seven thousand, five hundred forty".