730826 has 4 divisors (see below), whose sum is σ = 1096242. Its totient is φ = 365412.

The previous prime is 730823. The next prime is 730837. The reversal of 730826 is 628037.

730826 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.

It can be written as a sum of positive squares in only one way, i.e., 570025 + 160801 = 755^2 + 401^2 .

It is a plaindrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 730795 and 730804.

It is not an unprimeable number, because it can be changed into a prime (730823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 182705 + ... + 182708.

2⁷³⁰⁸²⁶ is an apocalyptic number.

730826 is a deficient number, since it is larger than the sum of its proper divisors (365416).

730826 is a wasteful number, since it uses less digits than its factorization.

730826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365415.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 730826 is about 854.8836178101. The cubic root of 730826 is about 90.0750813798.

The spelling of 730826 in words is "seven hundred thirty thousand, eight hundred twenty-six".