724624401 has 8 divisors (see below), whose sum is σ = 967546944. Its totient is φ = 482392400.

The previous prime is 724624379. The next prime is 724624463. The reversal of 724624401 is 104426427.

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

It is a cyclic number.

It is not a de Polignac number, because 724624401 - 2¹⁵ = 724591633 is a prime.

It is a super-3 number, since 3×724624401³ (a number of 28 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (724624501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170181 + ... + 174386.

It is an arithmetic number, because the mean of its divisors is an integer number (120943368).

Almost surely, 2^724624401 is an apocalyptic number.

It is an amenable number.

724624401 is a deficient number, since it is larger than the sum of its proper divisors (242922543).

724624401 is a wasteful number, since it uses less digits than its factorization.

724624401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345271.

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 724624401 is about 26918.8484337648. The cubic root of 724624401 is about 898.1957272813.

The spelling of 724624401 in words is "seven hundred twenty-four million, six hundred twenty-four thousand, four hundred one".