729428275 has 6 divisors (see below), whose sum is σ = 904491092. Its totient is φ = 583542600.

The previous prime is 729428243. The next prime is 729428303. The reversal of 729428275 is 572824927.

It is not a de Polignac number, because 729428275 - 2⁵ = 729428243 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14588541 + ... + 14588590.

Almost surely, 2^729428275 is an apocalyptic number.

729428275 is a deficient number, since it is larger than the sum of its proper divisors (175062817).

729428275 is a wasteful number, since it uses less digits than its factorization.

729428275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29177141 (or 29177136 counting only the distinct ones).

The product of its digits is 564480, while the sum is 46.

The square root of 729428275 is about 27007.9298540262. The cubic root of 729428275 is about 900.1762103536.

The spelling of 729428275 in words is "seven hundred twenty-nine million, four hundred twenty-eight thousand, two hundred seventy-five".