724012747 has 4 divisors (see below), whose sum is σ = 724724280. Its totient is φ = 723301216.

The previous prime is 724012733. The next prime is 724012789. The reversal of 724012747 is 747210427.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 747210427 = 863 ⋅865829.

It is a cyclic number.

It is not a de Polignac number, because 724012747 - 2¹¹ = 724010699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (724012547) 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 3 ways as a sum of consecutive naturals, for example, 354238 + ... + 356275.

It is an arithmetic number, because the mean of its divisors is an integer number (181181070).

Almost surely, 2^724012747 is an apocalyptic number.

724012747 is a deficient number, since it is larger than the sum of its proper divisors (711533).

724012747 is a wasteful number, since it uses less digits than its factorization.

724012747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711532.

The product of its (nonzero) digits is 21952, while the sum is 34.

The square root of 724012747 is about 26907.4849623669. The cubic root of 724012747 is about 897.9429344048.

The spelling of 724012747 in words is "seven hundred twenty-four million, twelve thousand, seven hundred forty-seven".