728362093 has 32 divisors (see below), whose sum is σ = 835453440. Its totient is φ = 630789120.

The previous prime is 728362087. The next prime is 728362097. The reversal of 728362093 is 390263827.

It is a cyclic number.

It is not a de Polignac number, because 728362093 - 2⁹ = 728361581 is a prime.

It is a super-2 number, since 2×728362093² = 1061022677038681298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728362097) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2687548 + ... + 2687818.

It is an arithmetic number, because the mean of its divisors is an integer number (26107920).

Almost surely, 2^728362093 is an apocalyptic number.

It is an amenable number.

728362093 is a deficient number, since it is larger than the sum of its proper divisors (107091347).

728362093 is a wasteful number, since it uses less digits than its factorization.

728362093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 728362093 is about 26988.1843220325. The cubic root of 728362093 is about 899.7374102238.

The spelling of 728362093 in words is "seven hundred twenty-eight million, three hundred sixty-two thousand, ninety-three".