724744401 has 4 divisors (see below), whose sum is σ = 966325872. Its totient is φ = 483162932.

The previous prime is 724744367. The next prime is 724744409. The reversal of 724744401 is 104447427.

It is a happy number.

724744401 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.

It is a cyclic number.

It is not a de Polignac number, because 724744401 - 2⁶ = 724744337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (724744409) 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, 120790731 + ... + 120790736.

It is an arithmetic number, because the mean of its divisors is an integer number (241581468).

Almost surely, 2^724744401 is an apocalyptic number.

It is an amenable number.

724744401 is a deficient number, since it is larger than the sum of its proper divisors (241581471).

724744401 is a wasteful number, since it uses less digits than its factorization.

724744401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241581470.

The product of its (nonzero) digits is 25088, while the sum is 33.

The square root of 724744401 is about 26921.0772629923. The cubic root of 724744401 is about 898.2453058574.

The spelling of 724744401 in words is "seven hundred twenty-four million, seven hundred forty-four thousand, four hundred one".