730761 has 4 divisors (see below), whose sum is σ = 974352. Its totient is φ = 487172.

The previous prime is 730757. The next prime is 730777. The reversal of 730761 is 167037.

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 730761 - 2² = 730757 is a prime.

It is a D-number.

It is a plaindrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (730781) 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, 121791 + ... + 121796.

It is an arithmetic number, because the mean of its divisors is an integer number (243588).

2⁷³⁰⁷⁶¹ is an apocalyptic number.

It is an amenable number.

730761 is a deficient number, since it is larger than the sum of its proper divisors (243591).

730761 is a wasteful number, since it uses less digits than its factorization.

730761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243590.

The product of its (nonzero) digits is 882, while the sum is 24.

The square root of 730761 is about 854.8456000940. The cubic root of 730761 is about 90.0724108609.

Adding to 730761 its reverse (167037), we get a palindrome (897798).

The spelling of 730761 in words is "seven hundred thirty thousand, seven hundred sixty-one".