724049901 has 8 divisors (see below), whose sum is σ = 1072666560. Its totient is φ = 482699916.

The previous prime is 724049897. The next prime is 724049903. The reversal of 724049901 is 109940427.

It is not a de Polignac number, because 724049901 - 2² = 724049897 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (724049903) 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 7 ways as a sum of consecutive naturals, for example, 13408305 + ... + 13408358.

It is an arithmetic number, because the mean of its divisors is an integer number (134083320).

Almost surely, 2^724049901 is an apocalyptic number.

It is an amenable number.

724049901 is a deficient number, since it is larger than the sum of its proper divisors (348616659).

724049901 is a wasteful number, since it uses less digits than its factorization.

724049901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26816672 (or 26816666 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 724049901 is about 26908.1753561998. The cubic root of 724049901 is about 897.9582939875.

The spelling of 724049901 in words is "seven hundred twenty-four million, forty-nine thousand, nine hundred one".