728574153 has 4 divisors (see below), whose sum is σ = 971432208. Its totient is φ = 485716100.

The previous prime is 728574149. The next prime is 728574173. The reversal of 728574153 is 351475827.

728574153 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 728574153 - 2² = 728574149 is a prime.

It is not an unprimeable number, because it can be changed into a prime (728574173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121429023 + ... + 121429028.

It is an arithmetic number, because the mean of its divisors is an integer number (242858052).

Almost surely, 2^728574153 is an apocalyptic number.

It is an amenable number.

728574153 is a deficient number, since it is larger than the sum of its proper divisors (242858055).

728574153 is a wasteful number, since it uses less digits than its factorization.

728574153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242858054.

The product of its digits is 235200, while the sum is 42.

The square root of 728574153 is about 26992.1127924436. The cubic root of 728574153 is about 899.8247201865.

The spelling of 728574153 in words is "seven hundred twenty-eight million, five hundred seventy-four thousand, one hundred fifty-three".