729099984 has 20 divisors (see below), whose sum is σ = 1883508416. Its totient is φ = 243033312.

The previous prime is 729099953. The next prime is 729100051. The reversal of 729099984 is 489990927.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7594744 + ... + 7594839.

Almost surely, 2^729099984 is an apocalyptic number.

It is an amenable number.

729099984 is an abundant number, since it is smaller than the sum of its proper divisors (1154408432).

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

729099984 is a wasteful number, since it uses less digits than its factorization.

729099984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15189594 (or 15189588 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 57.

The square root of 729099984 is about 27001.8514920737. The cubic root of 729099984 is about 900.0411437981.

The spelling of 729099984 in words is "seven hundred twenty-nine million, ninety-nine thousand, nine hundred eighty-four".