724731701 has 4 divisors (see below), whose sum is σ = 733905600. Its totient is φ = 715557804.

The previous prime is 724731673. The next prime is 724731727. The reversal of 724731701 is 107137427.

724731701 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 107137427 = 23 ⋅4658149.

It is a cyclic number.

It is not a de Polignac number, because 724731701 - 2²⁶ = 657622837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (724731731) 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, 4586831 + ... + 4586988.

It is an arithmetic number, because the mean of its divisors is an integer number (183476400).

Almost surely, 2^724731701 is an apocalyptic number.

It is an amenable number.

724731701 is a deficient number, since it is larger than the sum of its proper divisors (9173899).

724731701 is an equidigital number, since it uses as much as digits as its factorization.

724731701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9173898.

The product of its (nonzero) digits is 8232, while the sum is 32.

The square root of 724731701 is about 26920.8413872969. The cubic root of 724731701 is about 898.2400590504.

The spelling of 724731701 in words is "seven hundred twenty-four million, seven hundred thirty-one thousand, seven hundred one".