727009216 has 56 divisors (see below), whose sum is σ = 1536466320. Its totient is φ = 340119552.

The previous prime is 727009193. The next prime is 727009223. The reversal of 727009216 is 612900727.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

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, 192886 + ... + 196618.

Almost surely, 2^727009216 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 727009216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (768233160).

727009216 is an abundant number, since it is smaller than the sum of its proper divisors (809457104).

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

727009216 is a wasteful number, since it uses less digits than its factorization.

727009216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3941 (or 3931 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 727009216 is about 26963.1084261440. The cubic root of 727009216 is about 899.1800004417.

The spelling of 727009216 in words is "seven hundred twenty-seven million, nine thousand, two hundred sixteen".