730566923 has 4 divisors (see below), whose sum is σ = 733345008. Its totient is φ = 727788840.

The previous prime is 730566911. The next prime is 730566937. The reversal of 730566923 is 329665037.

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 730566923 - 2¹² = 730562827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (730566973) 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, 1388648 + ... + 1389173.

It is an arithmetic number, because the mean of its divisors is an integer number (183336252).

Almost surely, 2^730566923 is an apocalyptic number.

730566923 is a deficient number, since it is larger than the sum of its proper divisors (2778085).

730566923 is a wasteful number, since it uses less digits than its factorization.

730566923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2778084.

The product of its (nonzero) digits is 204120, while the sum is 41.

The square root of 730566923 is about 27029.0015168892. The cubic root of 730566923 is about 900.6443628326.

The spelling of 730566923 in words is "seven hundred thirty million, five hundred sixty-six thousand, nine hundred twenty-three".