723078645 has 8 divisors (see below), whose sum is σ = 1156925856. Its totient is φ = 385641936.

The previous prime is 723078619. The next prime is 723078647. The reversal of 723078645 is 546870327.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 723078645 - 2⁶ = 723078581 is a prime.

It is a super-3 number, since 3×723078645³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 723078597 and 723078606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (723078647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24102607 + ... + 24102636.

It is an arithmetic number, because the mean of its divisors is an integer number (144615732).

Almost surely, 2^723078645 is an apocalyptic number.

It is an amenable number.

723078645 is a deficient number, since it is larger than the sum of its proper divisors (433847211).

723078645 is a wasteful number, since it uses less digits than its factorization.

723078645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48205251.

The product of its (nonzero) digits is 282240, while the sum is 42.

The square root of 723078645 is about 26890.1216992412. The cubic root of 723078645 is about 897.5566008432.

The spelling of 723078645 in words is "seven hundred twenty-three million, seventy-eight thousand, six hundred forty-five".