729574872 has 32 divisors (see below), whose sum is σ = 1964240880. Its totient is φ = 224484480.

The previous prime is 729574861. The next prime is 729574883. The reversal of 729574872 is 278475927.

It is an interprime number because it is at equal distance from previous prime (729574861) and next prime (729574883).

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, 1168879 + ... + 1169502.

Almost surely, 2^729574872 is an apocalyptic number.

It is an amenable number.

729574872 is an abundant number, since it is smaller than the sum of its proper divisors (1234666008).

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

729574872 is a wasteful number, since it uses less digits than its factorization.

729574872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2338403 (or 2338399 counting only the distinct ones).

The product of its digits is 1975680, while the sum is 51.

The square root of 729574872 is about 27010.6436798533. The cubic root of 729574872 is about 900.2365106815.

The spelling of 729574872 in words is "seven hundred twenty-nine million, five hundred seventy-four thousand, eight hundred seventy-two".