724234450664 has 16 divisors (see below), whose sum is σ = 1394640665700. Its totient is φ = 352330273152.

The previous prime is 724234450661. The next prime is 724234450741. The reversal of 724234450664 is 466054432427.

It can be written as a sum of positive squares in 2 ways, for example, as 706510853764 + 17723596900 = 840542^2 + 133130^2 .

It is not an unprimeable number, because it can be changed into a prime (724234450661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1223368709 + ... + 1223369300.

Almost surely, 2^724234450664 is an apocalyptic number.

724234450664 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

724234450664 is a deficient number, since it is larger than the sum of its proper divisors (670406215036).

724234450664 is a wasteful number, since it uses less digits than its factorization.

724234450664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2446738052 (or 2446738048 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 47.

The spelling of 724234450664 in words is "seven hundred twenty-four billion, two hundred thirty-four million, four hundred fifty thousand, six hundred sixty-four".