728799367 has 16 divisors (see below), whose sum is σ = 831209472. Its totient is φ = 634930560.

The previous prime is 728799361. The next prime is 728799403. The reversal of 728799367 is 763997827.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-728799367 is a prime.

It is a super-2 number, since 2×728799367² = 1062297034679201378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728799361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17943 + ... + 42184.

It is an arithmetic number, because the mean of its divisors is an integer number (51950592).

Almost surely, 2^728799367 is an apocalyptic number.

728799367 is a deficient number, since it is larger than the sum of its proper divisors (102410105).

728799367 is a wasteful number, since it uses less digits than its factorization.

728799367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60198.

The product of its digits is 8001504, while the sum is 58.

The square root of 728799367 is about 26996.2843184020. The cubic root of 728799367 is about 899.9174274038.

The spelling of 728799367 in words is "seven hundred twenty-eight million, seven hundred ninety-nine thousand, three hundred sixty-seven".