728141827 has 4 divisors (see below), whose sum is σ = 832162096. Its totient is φ = 624121560.

The previous prime is 728141809. The next prime is 728141891.

728141827 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 728141827 - 2⁷ = 728141699 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 728141827.

It is not an unprimeable number, because it can be changed into a prime (728141627) 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, 52010124 + ... + 52010137.

It is an arithmetic number, because the mean of its divisors is an integer number (208040524).

Almost surely, 2^728141827 is an apocalyptic number.

728141827 is a deficient number, since it is larger than the sum of its proper divisors (104020269).

728141827 is a wasteful number, since it uses less digits than its factorization.

728141827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104020268.

The product of its digits is 50176, while the sum is 40.

The square root of 728141827 is about 26984.1032276413. The cubic root of 728141827 is about 899.6467037180.

The spelling of 728141827 in words is "seven hundred twenty-eight million, one hundred forty-one thousand, eight hundred twenty-seven".