729126872 has 16 divisors (see below), whose sum is σ = 1447531560. Its totient is φ = 343118464.

The previous prime is 729126869. The next prime is 729126899. The reversal of 729126872 is 278621927.

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, 2680478 + ... + 2680749.

Almost surely, 2^729126872 is an apocalyptic number.

It is an amenable number.

729126872 is a deficient number, since it is larger than the sum of its proper divisors (718404688).

729126872 is a wasteful number, since it uses less digits than its factorization.

729126872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5361250 (or 5361246 counting only the distinct ones).

The product of its digits is 169344, while the sum is 44.

The square root of 729126872 is about 27002.3493792670. The cubic root of 729126872 is about 900.0522076710.

The spelling of 729126872 in words is "seven hundred twenty-nine million, one hundred twenty-six thousand, eight hundred seventy-two".