729530901 has 24 divisors (see below), whose sum is σ = 1187977280. Its totient is φ = 442137960.

The previous prime is 729530881. The next prime is 729530927. The reversal of 729530901 is 109035927.

It is not a de Polignac number, because 729530901 - 2⁵ = 729530869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (729535901) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 108385 + ... + 114918.

Almost surely, 2^729530901 is an apocalyptic number.

It is an amenable number.

729530901 is a deficient number, since it is larger than the sum of its proper divisors (458446379).

729530901 is a wasteful number, since it uses less digits than its factorization.

729530901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223334 (or 223317 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The square root of 729530901 is about 27009.8297106813. The cubic root of 729530901 is about 900.2184247631.

The spelling of 729530901 in words is "seven hundred twenty-nine million, five hundred thirty thousand, nine hundred one".