723566946 has 16 divisors (see below), whose sum is σ = 1456848000. Its totient is φ = 239569968.

The previous prime is 723566917. The next prime is 723566947. The reversal of 723566946 is 649665327.

It is a junction number, because it is equal to n+sod(n) for n = 723566895 and 723566904.

It is not an unprimeable number, because it can be changed into a prime (723566947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 403786 + ... + 405573.

It is an arithmetic number, because the mean of its divisors is an integer number (91053000).

Almost surely, 2^723566946 is an apocalyptic number.

723566946 is an abundant number, since it is smaller than the sum of its proper divisors (733281054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

723566946 is a wasteful number, since it uses less digits than its factorization.

723566946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809513.

The product of its digits is 1632960, while the sum is 48.

The square root of 723566946 is about 26899.1997278729. The cubic root of 723566946 is about 897.7585978497.

The spelling of 723566946 in words is "seven hundred twenty-three million, five hundred sixty-six thousand, nine hundred forty-six".