729875448 has 40 divisors (see below), whose sum is σ = 2044328880. Its totient is φ = 243291600.

The previous prime is 729875429. The next prime is 729875483. The reversal of 729875448 is 844578927.

It is a happy number.

729875448 is a `hidden beast` number, since 7 + 2 + 98 + 7 + 544 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 729875394 and 729875403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 562528 + ... + 563823.

It is an arithmetic number, because the mean of its divisors is an integer number (51108222).

Almost surely, 2^729875448 is an apocalyptic number.

It is an amenable number.

729875448 is an abundant number, since it is smaller than the sum of its proper divisors (1314453432).

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

729875448 is a wasteful number, since it uses less digits than its factorization.

729875448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126369 (or 1126356 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 54.

The square root of 729875448 is about 27016.2071357176. The cubic root of 729875448 is about 900.3601225494.

The spelling of 729875448 in words is "seven hundred twenty-nine million, eight hundred seventy-five thousand, four hundred forty-eight".