729556984 has 64 divisors (see below), whose sum is σ = 1559527200. Its totient is φ = 317177856.

The previous prime is 729556967. The next prime is 729556991. The reversal of 729556984 is 489655927.

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, 380412 + ... + 382324.

Almost surely, 2^729556984 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 729556984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (779763600).

729556984 is an abundant number, since it is smaller than the sum of its proper divisors (829970216).

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

729556984 is a wasteful number, since it uses less digits than its factorization.

729556984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2144 (or 2140 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 55.

The square root of 729556984 is about 27010.3125490987. The cubic root of 729556984 is about 900.2291531719.

The spelling of 729556984 in words is "seven hundred twenty-nine million, five hundred fifty-six thousand, nine hundred eighty-four".